Merge pull request #55 from Permissionless-Software-Foundation/dh-relay-selection

feat(nostr): Added relay selection to Configuration page

src/components/app-body/configuration/index.js

@@ -6,6 +6,7 @@
 // Global npm libraries
 import React from 'react'
 import ServerSelectView from './select-server-view'
+import RelaySelectionView from './relay-selection-view'
 
 function ConfigurationView (props) {
   const { appData } = props
@@ -13,6 +14,7 @@ function ConfigurationView (props) {
   return (
     <>
       <ServerSelectView appData={appData} />
+      <RelaySelectionView appData={appData} />
     </>
   )
 }

src/components/app-body/configuration/relay-selection-view.js

@@ -0,0 +1,333 @@
+/*
+  This component is a View that allows the user to manage Nostr relay settings.
+*/
+
+// Global npm libraries
+import React, { useState } from 'react'
+import { Row, Col, Form, Card, Button } from 'react-bootstrap'
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
+import { faShareAlt, faTrashAlt } from '@fortawesome/free-solid-svg-icons'
+function RelaySelectionView (props) {
+  const { appData } = props
+  const { relaysData, updateRelaysData, restoreRelaysData } = appData
+  console.log('relaysData', relaysData)
+
+  const [newRelayAddress, setNewRelayAddress] = useState('')
+
+  const addRelay = (newRelay) => {
+    const exist = relaysData.find(relay => relay.address === newRelay)
+    if (!exist) {
+      relaysData.push({ address: newRelay, read: true, write: true })
+      updateRelaysData(relaysData)
+    }
+  }
+  // Delete relay from relaysData array
+  const deleteRelay = (relayToDelete) => {
+    const index = relaysData.findIndex(relay => relay.address === relayToDelete.address)
+    if (index !== -1) {
+      relaysData.splice(index, 1)
+      updateRelaysData(relaysData)
+    }
+  }
+  const handleReadToggle = (relayToToggleRead) => {
+    const index = relaysData.findIndex(relay => relay.address === relayToToggleRead.address)
+    if (index !== -1) {
+      relaysData[index].read = !relaysData[index].read
+      updateRelaysData(relaysData)
+    }
+  }
+  const handleWriteToggle = (relayToToggleWrite) => {
+    const index = relaysData.findIndex(relay => relay.address === relayToToggleWrite.address)
+    if (index !== -1) {
+      relaysData[index].write = !relaysData[index].write
+      updateRelaysData(relaysData)
+    }
+  }
+  return (
+    <>
+      <Card className='m-3'>
+        <Card.Body>
+          <Row>
+            <Col style={{ textAlign: 'center' }}>
+              <h2>Nostr Relay Configuration</h2>
+              <p>
+                Manage your Nostr relay connections. Configure read and write permissions for each relay.
+              </p>
+            </Col>
+          </Row>
+          <hr />
+
+          <Row className='mb-3'>
+            <Col className='text-end'>
+              <Button
+                onClick={() => restoreRelaysData()}
+                variant='outline-secondary'
+                style={{ minWidth: '120px' }}
+              >
+                Restore defaults
+              </Button>
+            </Col>
+          </Row>
+
+          <Row>
+            <Col>
+              <div
+                className='relay-table-container' style={{
+                  backgroundColor: 'transparent',
+                  borderRadius: '12px',
+                  padding: '20px',
+                  boxShadow: '0 2px 8px rgba(0,0,0,0.1)'
+                }}
+              >
+                <div
+                  className='relay-table-header' style={{
+                    display: 'flex',
+                    justifyContent: 'space-between',
+                    alignItems: 'center',
+                    marginBottom: '20px',
+                    paddingBottom: '15px',
+                    borderBottom: '2px solid #e9ecef'
+                  }}
+                >
+                  <h5 style={{ margin: 0, color: '#495057', fontWeight: '600' }}>Relay Connections</h5>
+                  <span style={{
+                    fontSize: '0.85em',
+                    color: '#6c757d',
+                    backgroundColor: '#e9ecef',
+                    padding: '4px 12px',
+                    borderRadius: '20px'
+                  }}
+                  >
+                    {relaysData.length} relays
+                  </span>
+                </div>
+
+                <div className='relay-list'>
+                  {relaysData.map((relay, index) => (
+                    <div
+                      key={`relay-${index}`} style={{
+                        backgroundColor: 'white',
+                        borderRadius: '8px',
+                        padding: '16px',
+                        marginBottom: '12px',
+                        border: '1px solid #e9ecef',
+                        transition: 'all 0.2s ease',
+                        boxShadow: '0 1px 3px rgba(0,0,0,0.05)'
+                      }}
+                    >
+                      <div style={{
+                        display: 'flex',
+                        justifyContent: 'space-between',
+                        alignItems: 'center',
+                        flexWrap: 'wrap',
+                        gap: '12px'
+                      }}
+                      >
+                        {/* Relay Address */}
+                        <div style={{ flex: '1', minWidth: '200px' }}>
+                          <div style={{
+                            fontFamily: 'monospace',
+                            fontSize: '0.9em',
+                            color: '#495057',
+                            fontWeight: '500',
+                            wordBreak: 'break-all'
+                          }}
+                          >
+                            {relay.address}
+                          </div>
+                        </div>
+
+                        {/* Controls */}
+                        <div style={{
+                          display: 'flex',
+                          alignItems: 'center',
+                          gap: '16px',
+                          flexWrap: 'wrap'
+                        }}
+                        >
+                          {/* Read/Write Toggles */}
+                          <div style={{
+                            display: 'flex',
+                            alignItems: 'center',
+                            gap: '12px',
+                            backgroundColor: '#f8f9fa',
+                            padding: '8px 12px',
+                            borderRadius: '6px',
+                            border: '1px solid #dee2e6'
+                          }}
+                          >
+                            <div style={{ display: 'flex', alignItems: 'center', gap: '8px' }}>
+                              <span style={{
+                                fontSize: '0.8em',
+                                color: '#6c757d',
+                                fontWeight: '500',
+                                minWidth: '35px'
+                              }}
+                              >
+                                Read
+                              </span>
+                              <Form.Check
+                                type='switch'
+                                onClick={() => handleReadToggle(relay)}
+                                checked={relay.read}
+                                className='mb-0'
+                                style={{ margin: 0 }}
+                              />
+                            </div>
+                            <div style={{ display: 'flex', alignItems: 'center', gap: '8px' }}>
+                              <span style={{
+                                fontSize: '0.8em',
+                                color: '#6c757d',
+                                fontWeight: '500',
+                                minWidth: '35px'
+                              }}
+                              >
+                                Write
+                              </span>
+                              <Form.Check
+                                type='switch'
+                                onClick={() => handleWriteToggle(relay)}
+                                checked={relay.write}
+                                className='mb-0'
+                                style={{ margin: 0 }}
+                              />
+                            </div>
+                          </div>
+
+                          {/* Action Buttons */}
+                          <div style={{ display: 'flex', gap: '8px' }}>
+                            <Button
+                              variant='outline-primary'
+                              size='sm'
+                              className='d-flex align-items-center gap-1'
+                              style={{
+                                minWidth: '65px',
+                                fontSize: '0.8em',
+                                padding: '4px 8px',
+                                borderWidth: '1px'
+                              }}
+                            >
+                              <FontAwesomeIcon icon={faShareAlt} size='xs' />
+                              Share
+                            </Button>
+                            <Button
+                              onClick={() => deleteRelay(relay)}
+                              variant='outline-danger'
+                              size='sm'
+                              className='d-flex align-items-center gap-1'
+                              style={{
+                                minWidth: '65px',
+                                fontSize: '0.8em',
+                                padding: '4px 8px',
+                                borderWidth: '1px'
+                              }}
+                            >
+                              <FontAwesomeIcon icon={faTrashAlt} size='xs' />
+                              Delete
+                            </Button>
+                          </div>
+                        </div>
+                      </div>
+                    </div>
+                  ))}
+                </div>
+              </div>
+            </Col>
+          </Row>
+
+          <Row className='mt-4'>
+            <Col>
+              <div
+                className='add-relay-container' style={{
+                  backgroundColor: 'white',
+                  borderRadius: '12px',
+                  padding: '20px',
+                  border: '1px solid #e9ecef',
+                  boxShadow: '0 2px 8px rgba(0,0,0,0.1)'
+                }}
+              >
+                <div
+                  className='add-relay-header' style={{
+                    marginBottom: '16px',
+                    paddingBottom: '12px',
+                    borderBottom: '2px solid #e9ecef'
+                  }}
+                >
+                  <h6 style={{
+                    margin: 0,
+                    color: '#495057',
+                    fontWeight: '600',
+                    fontSize: '1rem'
+                  }}
+                  >
+                    Add New Relay
+                  </h6>
+                  <p style={{
+                    margin: '4px 0 0 0',
+                    fontSize: '0.85em',
+                    color: '#6c757d'
+                  }}
+                  >
+                    Enter the URL of a Nostr relay to add it to your configuration
+                  </p>
+                </div>
+
+                <div
+                  className='add-relay-form' style={{
+                    display: 'flex',
+                    gap: '12px',
+                    alignItems: 'end'
+                  }}
+                >
+                  <div style={{ flex: '1' }}>
+                    <Form.Label
+                      htmlFor='newRelayAddress'
+                      style={{
+                        fontSize: '0.9em',
+                        fontWeight: '500',
+                        color: '#495057',
+                        marginBottom: '8px'
+                      }}
+                    >
+                      Relay Address
+                    </Form.Label>
+                    <Form.Control
+                      type='text'
+                      id='newRelayAddress'
+                      placeholder='wss://your-relay-address.com'
+                      value={newRelayAddress}
+                      onChange={(e) => setNewRelayAddress(e.target.value)}
+                      style={{
+                        fontFamily: 'monospace',
+                        fontSize: '0.9em',
+                        border: '1px solid #dee2e6',
+                        borderRadius: '6px',
+                        padding: '10px 12px'
+                      }}
+                    />
+                  </div>
+                  <Button
+                    onClick={() => addRelay(newRelayAddress)}
+                    variant='primary'
+                    style={{
+                      minWidth: '80px',
+                      height: '38px',
+                      borderRadius: '6px',
+                      fontSize: '0.9em',
+                      fontWeight: '500',
+                      padding: '8px 16px'
+                    }}
+                  >
+                    Add
+                  </Button>
+                </div>
+              </div>
+            </Col>
+          </Row>
+        </Card.Body>
+      </Card>
+    </>
+  )
+}
+
+export default RelaySelectionView

src/components/app-body/index.js

@@ -15,14 +15,14 @@ import GetBalance from './balance'
 import Wallet from './bch-wallet'
 import Placeholder2 from './placeholder2'
 import Placeholder3 from './placeholder3'
-// import ServerSelectView from './servers/select-server-view'
+import ServerSelectView from './configuration/select-server-view.js'
 // import SelectServerButton from './servers/select-server-button'
 import NftsForSale from './nfts-for-sale'
 import BchSend from './bch-send'
 import SlpTokens from './slp-tokens'
 import SweepWif from './sweep/index.js'
 import SignMessage from './sign/index.js'
-import ServerSelectView from './configuration/select-server-view'
+import ConfigurationView from './configuration/index.js'
 import NostrPost from './nostr/nostr-post/index.js'
 import Profile from './nostr/profile/index.js'
 import Feeds from './nostr/feeds/index.js'
@@ -47,7 +47,7 @@ function AppBody (props) {
         <Route path='/servers' element={<ServerSelectView appData={appData} />} />
         <Route path='/sweep' element={<SweepWif appData={appData} />} />
         <Route path='/sign' element={<SignMessage appData={appData} />} />
-        <Route path='/configuration' element={<ServerSelectView appData={appData} />} />
+        <Route path='/configuration' element={<ConfigurationView appData={appData} />} />
         <Route path='/nostr-post' element={<NostrPost appData={appData} />} />
         <Route path='/profile/:npub' element={<Profile appData={appData} />} />
         <Route path='/feeds' element={<Feeds appData={appData} />} />

src/components/app-body/nostr/content-creators/content-creators-list.js

@@ -19,7 +19,6 @@ import axios from 'axios'
 // Local libraries
 import config from '../../../../config'
 import ContentCard from './content-card'
-import { RelayPool } from 'nostr'
 
 // Global variables and constants
 const SERVER = config.dexServer
@@ -34,79 +33,17 @@ function ContentCreators (props) {
   // Get the list of profiles followed by the user.
   // It aggregates all the followers from all the relays.
   const getFollowList = useCallback(async () => {
-    const list = await new Promise((resolve, reject) => {
+    const { nostrKeyPair } = appData.bchWalletState
-      let list = []
-      let closedRelays = 0
-      const { nostrKeyPair } = appData.bchWalletState
 
-      const pool = RelayPool(config.nostrRelays)
+    const pubKeyHex = nostrKeyPair.pubHex
-      // const pool = RelayPool([config.nostrRelay])
+    const list = await appData.nostrQueries.getFollowList(pubKeyHex)
-      pool.on('open', relay => {
-        relay.subscribe('subid', { limit: 1, kinds: [3], authors: [nostrKeyPair.pubHex] })
-      })
-
-      pool.on('eose', relay => {
-        relay.close()
-        closedRelays++
-        // Resolve list if all relays are closed
-        if (closedRelays === config.nostrRelays.length) {
-          resolve(list)
-        }
-      })
-
-      pool.on('event', (relay, subId, ev) => {
-        // console.log('Received event:', ev)
-        // Merge list received from all relays
-        list = [...list, ...ev.tags]
-      })
-    })
-
-    // console.log('Follow List', list)
     setFollowList(list)
   }, [appData])
 
-  // Load profile from nostr relays
-  // It uses multiple relays. It will exit after the first successful retrieval
-  // from any relay. If one relay fails, it will move on to the next one.
-  const loadProfile = useCallback(async (pubKey) => {
-    // Looking for the profile in each relay sequentially
-    for (let i = 0; i < config.nostrRelays.length; i++) {
-      const profile = await new Promise((resolve) => {
-        const relay = config.nostrRelays[i]
-        // const pool = RelayPool(config.nostrRelays)
-        const pool = RelayPool([relay])
-        pool.on('open', relay => {
-          relay.subscribe('subid', { limit: 5, kinds: [0], authors: [pubKey] })
-        })
-
-        pool.on('eose', relay => {
-          console.log('Closing Relay')
-          relay.close()
-          resolve(false)
-        })
-
-        pool.on('event', (relay, subId, ev) => {
-          try {
-            const profile = JSON.parse(ev.content)
-            // console.log('profile', profile)
-            console.log(`Profile found  for ${pubKey} at ${relay.url}`)
-            resolve(profile)
-          } catch (error) {
-            resolve(false)
-          }
-          relay.close()
-        })
-      })
-      // Stop looking for profile if found
-      if (profile) {
-        return profile
-      }
-    }
-  }, [])
-
   useEffect(() => {
     const loadCreators = async () => {
       try {
+        console.log('loadCreators()')
         const creatorsRes = await axios.get(`${SERVER}/sm/list/all/0`)
         const creators = creatorsRes.data
         // console.log('creators', creators)
@@ -116,8 +53,9 @@ function ContentCreators (props) {
         for (let i = 0; i < creators.length; i++) {
           try {
             const creator = creators[i]
-            const profile = await loadProfile(creator.pubkey)
+            const profileRes = await appData.nostrQueries.getProfile(creator.pubkey)
-
+            let profile = profileRes
+            if (!profileRes) profile = {}
             // the folowing lines should re-render the ContentCard
             setCreators(prevCreators => {
               const updatedCreators = [...prevCreators]
@@ -137,7 +75,7 @@ function ContentCreators (props) {
       loadCreators()
       getFollowList()
     }
-  }, [loaded, followList, getFollowList, loadProfile])
+  }, [loaded, getFollowList, appData])
 
   const filteredCreators = useCallback(() => {
     if (!creators || creators.length === 0) {

src/components/app-body/nostr/feeds/feed-card.js

@@ -12,7 +12,6 @@ import * as nip19 from 'nostr-tools/nip19'
 import { finalizeEvent } from 'nostr-tools/pure'
 import { Relay } from 'nostr-tools/relay'
 import { hexToBytes } from '@noble/hashes/utils' // already an installed dependency
-import { RelayPool } from 'nostr'
 
 // Local libraries
 import CopyOnClick from '../../bch-wallet/copy-on-click.js'
@@ -20,7 +19,7 @@ import NostrFormat from '../nostr-format'
 
 function FeedCard (props) {
   const { post, appData, profiles } = props
-  const { nostrKeyPair } = appData.bchWalletState
+  const { nostrKeyPair, writeRelays } = appData.bchWalletState
 
   const [profile, setProfile] = useState(profiles[post.pubkey])
 
@@ -33,53 +32,19 @@ function FeedCard (props) {
   // function to fetch a post likes reaction
   const handleLikes = useCallback(async (post, userPubKey) => {
     try {
-      const psf = 'wss://nostr-relay.psfoundation.info'
+      // Get all post likes events
-      const res = await new Promise((resolve) => {
+      const likesArr = await appData.nostrQueries.getPostLikes(post.id)
-        let likesCnt = 0
+      const likesCount = likesArr.length
-        let userLikedCnt = 0
-        const pool = RelayPool([psf])
-        pool.on('open', relay => {
-          relay.subscribe('subid', { kinds: [7], '#e': [post.id] })
-        })
 
-        pool.on('eose', relay => {
+      // Verify if the users pubkey is in the likes array
-          relay.close()
+      const userLikedPost = likesArr.find(val => { return val.pubkey === userPubKey })
-          resolve({
+      setLikesCount(likesCount)
-            count: likesCnt,
+      setIsLiked(userLikedPost)
-            userLiked: userLikedCnt > 0
-          })
-        })
-
-        pool.on('event', (relay, subId, ev) => {
-          try {
-            // Count likes
-            if (ev.content === '+') {
-              likesCnt++
-              // Count user likes
-              if (ev.pubkey === userPubKey) {
-                userLikedCnt++
-              }
-            }
-            // Count dislikes
-            if (ev.content === '-') {
-              likesCnt--
-              // Count user dislikes.
-              if (ev.pubkey === userPubKey) {
-                userLikedCnt--
-              }
-            }
-          } catch (error) {
-            // skip error
-          }
-        })
-      })
-      setLikesCount(res.count)
-      setIsLiked(res.userLiked)
       setLikesFetched(true)
     } catch (error) {
       console.warn(error)
     }
-  }, [])
+  }, [appData])
 
   const handleProfilePictureError = () => {
     setProfilePictureError(true)
@@ -122,9 +87,6 @@ function FeedCard (props) {
       // Convert private key to binary
       const privateKeyBin = hexToBytes(nostrKeyPair.privHex)
 
-      // Relay list
-      const psf = 'wss://nostr-relay.psfoundation.info'
-
       // Define if like or dislike
       let content = '+'
       if (isLiked) { content = '-' }
@@ -134,27 +96,32 @@ function FeedCard (props) {
         kind: 7,
         created_at: Math.floor(Date.now() / 1000),
         tags: [
-          ['e', post.id, psf],
+          ['e', post.id],
-          ['p', psf, nostrKeyPair.pubHex]
+          ['p', nostrKeyPair.pubHex]
         ],
         content
       }
       console.log(`eventTemplate: ${JSON.stringify(eventTemplate, null, 2)}`)
 
-      // Sign the post
+      writeRelays.map(async (relayUrl) => {
-      const signedEvent = finalizeEvent(eventTemplate, privateKeyBin)
+        try {
-      console.log('signedEvent: ', signedEvent)
+          // Sign the post
+          const signedEvent = finalizeEvent(eventTemplate, privateKeyBin)
+          console.log('signedEvent: ', signedEvent)
+          // Connect to a relay.
+          const relay = await Relay.connect(relayUrl)
+          console.log(`connected to ${relay.url}`)
 
-      // Connect to a relay.
+          // Publish the message to the relay.
-      const relay = await Relay.connect(psf)
+          const result = await relay.publish(signedEvent)
-      console.log(`connected to ${relay.url}`)
+          console.log('result: ', result)
 
-      // Publish the message to the relay.
+          // Close the connection to the relay.
-      const result = await relay.publish(signedEvent)
+          relay.close()
-      console.log('result: ', result)
+        } catch (err) {
-
+          console.warn(`Skipping publishing to ${relayUrl} due to error: ${err}`)
-      // Close the connection to the relay.
+        }
-      relay.close()
+      })
 
       await handleLikes(post, nostrKeyPair.pubHex)
       setLikesFetched(true)

src/components/app-body/nostr/feeds/following.js

@@ -4,41 +4,21 @@
 // Global npm libraries
 import React, { useEffect, useState } from 'react'
 import { Container, Spinner } from 'react-bootstrap'
-import { RelayPool } from 'nostr'
 
 // Local libraries
-import config from '../../../../config'
 import FeedCard from './feed-card'
 
 function Following (props) {
   const { appData, posts, profiles } = props
+  const { nostrQueries } = appData
   const [followingPosts, setFollowingPosts] = useState([])
   const [loaded, setLoaded] = useState(false)
 
   useEffect(() => {
     const getFollowingPosts = async () => {
-      const followingList = await new Promise((resolve, reject) => {
+      console.log('getFollowingPosts')
-        let list = []
+      const { nostrKeyPair } = appData.bchWalletState
-        const { nostrKeyPair } = appData.bchWalletState
+      const followingList = await nostrQueries.getFollowList(nostrKeyPair.pubHex)
-
-        const pool = RelayPool(config.nostrRelays)
-        pool.on('open', relay => {
-          relay.subscribe('subid', { limit: 1, kinds: [3], authors: [nostrKeyPair.pubHex] })
-        })
-
-        pool.on('eose', relay => {
-          relay.close()
-          /** This ensures to return an empty array if no records are found!
-           *  Applies for new users that don't have a follow list
-          */
-          resolve(list)
-        })
-
-        pool.on('event', (relay, subId, ev) => {
-          list = ev.tags
-          resolve(list)
-        })
-      })
 
       // Filter posts by following list
       let filteredPosts = []
@@ -55,7 +35,7 @@ function Following (props) {
       setLoaded(true)
     }
     getFollowingPosts()
-  }, [appData, posts])
+  }, [appData, posts, nostrQueries])
 
   return (
     <Container className='mt-4 mb-5' style={{ marginBottom: '50px' }}>

src/components/app-body/nostr/feeds/index.js

@@ -3,14 +3,12 @@
 */
 
 // Global npm libraries
-import React, { useState, useEffect, useCallback } from 'react'
+import React, { useState, useEffect } from 'react'
 import { Container, Nav, Tab, Spinner } from 'react-bootstrap'
-import { RelayPool } from 'nostr'
 
 // Local libraries
 import Feed from './feed'
 import Following from './following'
-import config from '../../../../config'
 
 function Feeds (props) {
   const { appData } = props
@@ -20,92 +18,12 @@ function Feeds (props) {
   const [loaded, setLoaded] = useState(false)
   const [profiles, setProfiles] = useState({})
 
-  // Load profile from nostr relays
-  // It uses multiple relays. It will exit after the first successful retrieval
-  // from any relay. If one relay fails, it will move on to the next one.
-  const fetchProfile = useCallback(async (pubKey) => {
-    // Looking for the profile in each relay sequentially
-    for (let i = 0; i < config.nostrRelays.length; i++) {
-      const profile = await new Promise((resolve) => {
-        const relay = config.nostrRelays[i]
-        // const pool = RelayPool(config.nostrRelays)
-        const pool = RelayPool([relay])
-        pool.on('open', relay => {
-          relay.subscribe('subid', { limit: 5, kinds: [0], authors: [pubKey] })
-        })
-
-        pool.on('eose', relay => {
-          console.log('Closing Relay')
-          relay.close()
-          resolve(false)
-        })
-
-        pool.on('event', (relay, subId, ev) => {
-          try {
-            const profile = JSON.parse(ev.content)
-            // console.log('profile', profile)
-            console.log(`Profile found  for ${pubKey} at ${relay.url}`)
-            resolve(profile)
-          } catch (error) {
-            resolve(false)
-          }
-          relay.close()
-        })
-      })
-      // Stop looking for profile if found
-      if (profile) {
-        return profile
-      }
-    }
-  }, [])
-
-  // Get array of feeds from relays
-  const fetchFeeds = useCallback(async () => {
-    let feeds = await new Promise((resolve, reject) => {
-      let list = []
-      let closedRelays = 0
-
-      const pool = RelayPool(config.nostrRelays)
-      // const pool = RelayPool([config.nostrRelay])
-      pool.on('open', relay => {
-        relay.subscribe('REQ', { limit: 10, kinds: [1], '#t': ['slpdex-socialmedia'] })
-      })
-
-      pool.on('eose', relay => {
-        relay.close()
-        closedRelays++
-        // Resolve list if all relays are closed
-        if (closedRelays === config.nostrRelays.length) {
-          resolve(list)
-        }
-      })
-
-      pool.on('event', (relay, subId, ev) => {
-        // console.log('post retrieved from ', relay.url, ev.sig)
-        list = [...list, ev]
-      })
-    })
-
-    // Remove duplicated feeds
-    feeds = feeds.filter((val, i, list) => {
-      const existingIndex = list.findIndex(value => value.id === val.id)
-      return existingIndex === i
-    })
-
-    // Sort from newest to oldest
-    feeds.sort((a, b) => b.created_at - a.created_at)
-
-    // console.log('feeds', feeds)
-
-    setPosts(feeds)
-    return feeds
-  }, [])
-
   // Load data on component mount.
   useEffect(() => {
     const loadData = async () => {
       // Get feeds
-      const feeds = await fetchFeeds()
+      const feeds = await appData.nostrQueries.getGlobalFeeds()
+      setPosts(feeds)
       setLoaded(true)
 
       const loadedProfiles = [] // fetched profiles ( this will be used for prevent load the same profile multiple times.)
@@ -116,7 +34,7 @@ function Feeds (props) {
         const exist = loadedProfiles.find((val) => { return val === pubKey })
         if (exist) { continue }
         // Fech profile.
-        const profile = await fetchProfile(pubKey)
+        const profile = await appData.nostrQueries.getProfile(pubKey)
         loadedProfiles.push(pubKey) // mark as loaded
 
         // Update profile state
@@ -130,7 +48,7 @@ function Feeds (props) {
     if (!loaded) {
       loadData()
     }
-  }, [loaded, fetchFeeds, fetchProfile])
+  }, [loaded, appData])
 
   const onChangeTab = (tab) => {
     setActiveTab(tab)

src/components/app-body/nostr/nostr-post/profile-post.js

@@ -9,13 +9,12 @@ import Accordion from 'react-bootstrap/Accordion'
 import { finalizeEvent } from 'nostr-tools/pure'
 import { Relay } from 'nostr-tools/relay'
 import { hexToBytes } from '@noble/hashes/utils' // already an installed dependency
-import { RelayPool } from 'nostr'
 
 // Local libraries
-import config from '../../../../config'
 
 function ProfilePost (props) {
-  const { bchWalletState } = props.appData
+  const { appData } = props
+  const { bchWalletState, writeRelays } = appData
   const [accordionKey, setAccordionKey] = useState(null)
   const [onFetch, setOnFetch] = useState(false)
   const [formLoaded, setFormLoaded] = useState(false)
@@ -34,40 +33,19 @@ function ProfilePost (props) {
 
   useEffect(() => {
     // Get Last post from
-    const getLastPost = () => {
+    const getLastProfilePost = async () => {
-      const { nostrKeyPair } = bchWalletState
+      const { nostrKeyPair } = appData.bchWalletState
-
+      const lastProfile = await appData.nostrQueries.getProfile(nostrKeyPair.pubHex)
-      const psf = 'wss://nostr-relay.psfoundation.info'
+      if (lastProfile) {
-
+        setFormData(lastProfile)
-      const pool = RelayPool([psf])
+      }
-      pool.on('open', relay => {
+      setFormLoaded(true)
-        relay.subscribe('subid', { limit: 1, kinds: [0], authors: [nostrKeyPair.pubHex] })
-        setFormLoaded(true)
-      })
-
-      pool.on('eose', relay => {
-        console.log('Closing Relay')
-        setFormLoaded(true)
-        relay.close()
-      })
-
-      pool.on('event', (relay, subId, ev) => {
-        console.log('Received event:', ev)
-        // setPosts(currentPosts => [...currentPosts, ev])
-        try {
-          const data = JSON.parse(ev.content)
-          console.log('data', data)
-          setFormData(data)
-        } catch (error) {
-
-        }
-      })
     }
 
     if (!formLoaded) {
-      getLastPost()
+      getLastProfilePost()
     }
-  }, [bchWalletState, formLoaded])
+  }, [appData, formLoaded])
 
   const handleInputChange = (e) => {
     const { name, value } = e.target
@@ -111,7 +89,7 @@ function ProfilePost (props) {
       console.log('signedEvent: ', signedEvent)
 
       // Publish the post to each relay.
-      config.nostrRelays.map(async (relayUrl) => {
+      writeRelays.map(async (relayUrl) => {
         try {
           // Connect to a relay.
           const relay = await Relay.connect(relayUrl)

src/components/app-body/nostr/nostr-post/public-post.js

@@ -11,12 +11,11 @@ import { Relay } from 'nostr-tools/relay'
 import { hexToBytes } from '@noble/hashes/utils' // already an installed dependency
 
 // Local libraries
-import config from '../../../../config'
 
 function PublicPost (props) {
   const [accordionKey, setAccordionKey] = useState('0')
   const [onFetch, setOnFetch] = useState(false)
-  const { bchWalletState } = props.appData
+  const { bchWalletState, writeRelays } = props.appData
   const [formData, setFormData] = useState({
     content: ''
   })
@@ -64,7 +63,7 @@ function PublicPost (props) {
       console.log('signedEvent: ', signedEvent)
 
       // Publish the post to each relay.
-      config.nostrRelays.map(async (relayUrl) => {
+      writeRelays.map(async (relayUrl) => {
         try {
           // Connect to a relay.
           const relay = await Relay.connect(relayUrl)

src/components/app-body/nostr/profile/index.js

@@ -17,7 +17,7 @@ function Profile (props) {
   return (
     <>
       <Container>
-        <ProfileRead {...props} setProfile={setProfile} npub={npub} />
+        <ProfileRead {...props} onProfileRead={setProfile} npub={npub} />
         <PublicRead {...props} profile={profile} npub={npub} />
         <SlpTokensDisplay {...props} npub={npub} />
         <NFTForSale {...props} npub={npub} />

src/components/app-body/nostr/profile/nft-for-sale.js

@@ -14,6 +14,7 @@ function NFTForSale (props) {
   const [offersAreLoaded, setOffersAreLoaded] = useState(false)
   const [iconsAreLoaded, setIconsAreLoaded] = useState(false)
   const [dataAreLoaded, setDataAreLoaded] = useState(false)
+  const [startAsync, setStartAsync] = useState(false)
 
   const getAddressByNpub = useCallback(async () => {
     const url = `${config.dexServer}/sm/npub/${npub}`
@@ -24,6 +25,7 @@ function NFTForSale (props) {
 
   // Handler for refresh button
   const handleRefresh = () => {
+    console.log('handle refresh')
     loadNftOffers()
   }
 
@@ -218,9 +220,13 @@ function NFTForSale (props) {
 
   // Effect to load NFTs on component mount
   useEffect(() => {
-    console.log('loading nfts for sale')
+    // Prevent to load data twice
-    loadNftOffers()
+    if (!startAsync) {
-  }, [loadNftOffers])
+      console.log('loading nfts for sale')
+      loadNftOffers()
+      setStartAsync(true)
+    }
+  }, [loadNftOffers, startAsync])
 
   // Get Cid from url
   const parseCid = (url) => {

src/components/app-body/nostr/profile/profile-read.js

@@ -1,9 +1,6 @@
 /**
  * Component to read nostr information kind 0 (normal posts)
  *
- * TODO:
- * - Currently feeds are retrieved from only one relay. It should retrieve Kind
- *   0 posts from all relays. It should then remove any duplicate entries.
  */
 
 // Global npm libraries
@@ -15,45 +12,25 @@ import { faUser, faGlobe } from '@fortawesome/free-solid-svg-icons'
 import * as nip19 from 'nostr-tools/nip19'
 
 // Local libraries
-import config from '../../../../config'
 import NostrFormat from '../nostr-format'
-import { RelayPool } from 'nostr'
 
 function ProfileRead (props) {
-  const { npub } = props
+  const { npub, appData } = props
-  const { setProfile } = props
+  const { onProfileRead } = props
-  const [post, setPost] = useState({})
+  const [profile, setProfile] = useState({})
   const [loaded, setLoaded] = useState(false)
   const [imageError, setImageError] = useState({ picture: false, banner: false })
 
   useEffect(() => {
-    const start = () => {
+    const start = async () => {
       const pubHexData = nip19.decode(npub)
       const pubHex = pubHexData.data
 
-      // const pool = RelayPool(config.nostrRelays)
+      const profile = await appData.nostrQueries.getProfile(pubHex)
-      const pool = new RelayPool([config.nostrRelay])
+      if (profile) {
-      pool.on('open', relay => {
+        onProfileRead(profile)
-        relay.subscribe('subid', { limit: 5, kinds: [0], authors: [pubHex] })
+        setProfile(profile)
-        setLoaded(true)
+      }
-      })
-
-      pool.on('eose', relay => {
-        console.log('Closing Relay')
-        relay.close()
-      })
-
-      pool.on('event', (relay, subId, ev) => {
-        console.log('Received event:', ev)
-        try {
-          const profile = JSON.parse(ev.content)
-          console.log('Profile:', profile)
-          setPost(profile)
-          setProfile(profile)
-        } catch (error) {
-          console.error('Error parsing profile:', error)
-        }
-      })
 
       setLoaded(true)
     }
@@ -61,7 +38,7 @@ function ProfileRead (props) {
     if (!loaded && npub) {
       start()
     }
-  }, [loaded, setProfile, npub])
+  }, [loaded, onProfileRead, npub, appData])
 
   const handleImageError = (type) => {
     setImageError(prev => ({ ...prev, [type]: true }))
@@ -74,10 +51,10 @@ function ProfileRead (props) {
   return (
     <Container>
       {/* Banner Section */}
-      {post.banner && !imageError.banner && (
+      {profile.banner && !imageError.banner && (
         <div className='position-relative'>
           <img
-            src={post.banner}
+            src={profile.banner}
             alt='Profile banner'
             className='w-100 rounded-4 shadow-sm'
             style={{ height: '200px', objectFit: 'cover' }}
@@ -90,10 +67,10 @@ function ProfileRead (props) {
       <div className='d-flex flex-column flex-md-row align-items-center gap-4 mb-5 p-3 p-md-5 bg-light rounded-4 shadow-sm'>
         {/* Profile Picture */}
         <div style={{ width: '120px', height: '120px' }} className='mb-3 mb-md-0'>
-          {post.picture && !imageError.picture
+          {profile.picture && !imageError.picture
             ? (
               <img
-                src={post.picture}
+                src={profile.picture}
                 alt='Profile'
                 className='rounded-circle shadow w-100 h-100'
                 style={{ objectFit: 'cover' }}
@@ -117,7 +94,7 @@ function ProfileRead (props) {
 
         {/* Profile Information */}
         <div className='flex-grow-1 text-center text-md-start mb-3 mb-md-0 d-flex flex-column align-items-center align-items-md-start'>
-          <h3 className='mb-2 fw-bold'>{post.name || 'username'}</h3>
+          <h3 className='mb-2 fw-bold'>{profile.name || 'username'}</h3>
 
           <div className='text-muted small mb-3 d-flex align-items-center flex-column flex-md-row'>
             <span className='text-truncate me-2 mb-2 mb-md-0'>
@@ -132,24 +109,24 @@ function ProfileRead (props) {
           </div>
 
           {/* About Section */}
-          {post.about && (
+          {profile.about && (
             <div className='fs-6 text-secondary'>
-              <NostrFormat content={post.about} />
+              <NostrFormat content={profile.about} />
             </div>
           )}
 
           {/* Website Link */}
-          {post.website && (
+          {profile.website && (
             <div className='mb-3 d-flex align-items-center gap-2'>
               <FontAwesomeIcon icon={faGlobe} className='text-muted' size='sm' />
               <a
-                href={post.website.startsWith('http') ? post.website : `https://${post.website}`}
+                href={profile.website.startsWith('http') ? profile.website : `https://${profile.website}`}
                 target='_blank'
                 rel='noopener noreferrer'
                 className='text-decoration-none text-muted small'
                 style={{ wordBreak: 'break-all' }}
               >
-                {post.website}
+                {profile.website}
               </a>
             </div>
           )}

src/components/app-body/nostr/profile/public-read.js

@@ -6,49 +6,30 @@ import React, { useEffect, useState } from 'react'
 import { Container, Card, Spinner } from 'react-bootstrap'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faUser } from '@fortawesome/free-solid-svg-icons'
-import { RelayPool } from 'nostr'
-import * as nip19 from 'nostr-tools/nip19'
 
 // Local libraries
-import config from '../../../../config'
 import NostrFormat from '../nostr-format'
 
 function PublicRead (props) {
-  const { npub } = props
+  const { npub, appData } = props
-  const { bchWalletState } = props.appData
+  const { bchWalletState } = appData
   const [posts, setPosts] = useState([])
   const [loaded, setLoaded] = useState(false)
   const [profilePictureError, setProfilePictureError] = useState(false)
 
   useEffect(() => {
     // Get Last post from a author
-    const start = () => {
+    const start = async () => {
-      const pubHexData = nip19.decode(npub)
+      const pubKeyHex = appData.nostrQueries.npubToHex(npub)
-      const pubHex = pubHexData.data
+      const feeds = await appData.nostrQueries.getUserFeeds(pubKeyHex)
-      console.log('pubhex', pubHex)
+      setPosts(feeds)
-
+      setLoaded(true)
-      const pool = RelayPool(config.nostrRelays)
-      pool.on('open', relay => {
-        relay.subscribe('subid', { limit: 5, kinds: [1], authors: [pubHex] })
-        setLoaded(true)
-      })
-
-      pool.on('eose', relay => {
-        console.log('Closing Relay')
-        setLoaded(true)
-        relay.close()
-      })
-
-      pool.on('event', (relay, subId, ev) => {
-        console.log('Received event:', ev)
-        setPosts(currentPosts => [...currentPosts, ev])
-      })
     }
 
     if (!loaded && npub) {
       start()
     }
-  }, [bchWalletState, loaded, npub])
+  }, [bchWalletState, loaded, npub, appData])
 
   const handleProfilePictureError = () => {
     setProfilePictureError(true)

src/hooks/state.js

@@ -1,25 +1,31 @@
-import { useState } from 'react'
+import { useRef, useState } from 'react'
 // import { useQueryParam, StringParam } from 'use-query-params'
 import useLocalStorageState from 'use-local-storage-state'
 import AppUtil from '../util'
+import NostrQueries from '../services/nostr-queries'
 
 import { useLocation } from 'react-router-dom'
 
 function useAppState () {
   const location = useLocation()
-
+  // Default local storage object
+  const localStorageDefault = {
+    serverUrl: 'https://free-bch.fullstack.cash', // Default server
+    relays: [
+      { address: 'wss://nostr-relay.psfoundation.info', read: true, write: true },
+      { address: 'wss://relay.damus.io', read: true, write: true }
+    ],
+    nftData: {},
+    lastFeedTab: 'feed'
+  }
   // Load Local storage Data
   const [lsState, setLSState, { removeItem }] = useLocalStorageState('bchWalletState-template', {
     ssr: true,
-    defaultValue: {
+    defaultValue: localStorageDefault
-      serverUrl: 'https://free-bch.fullstack.cash' // Default server
+
-    },
-    nftData: {},
-    lastFeedTab: 'feed'
   })
 
   console.log('lsState: ', lsState)
-
   // Initialize  data states
   const [serverUrl, setServerUrl] = useState(lsState.serverUrl) // Default server url
   const [menuState, setMenuState] = useState(0)
@@ -27,7 +33,7 @@ function useAppState () {
   const [servers, setServers] = useState([])
   const [dexLib, setDexLib] = useState(false)
   const [nostr, setNostr] = useState(false)
-  const [lastFeedTab, setLastFeedTab] = useState(lsState.lastFeedTab || 'feed')
+  const [lastFeedTab, setLastFeedTab] = useState(lsState.lastFeedTab || localStorageDefault.lastFeedTab)
 
   // Startup state management
   const [asyncInitStarted, setAsyncInitStarted] = useState(false)
@@ -44,6 +50,14 @@ function useAppState () {
   // NFTs for sale stored data to improve performance
   const [nftForSaleCacheData, setNftForSaleCacheData] = useState(lsState.nftData || {})
 
+  // Relays
+  const [relaysData, setRelaysData] = useState(lsState.relays || localStorageDefault.relays) // All relays data
+  const [readRelays, setReadRelays] = useState(relaysData.filter(relay => relay.read).map(relay => relay.address)) // Read relays
+  const [writeRelays, setWriteRelays] = useState(relaysData.filter(relay => relay.write).map(relay => relay.address)) // Write relays
+
+  // Nostr queries service
+  const nostrQueriesRef = useRef(new NostrQueries({ relays: readRelays }))
+
   // The wallet state makes this a true progressive web app (PWA). As
   // balances, UTXOs, and tokens are retrieved, this state is updated.
   // properties are enumerated here for the purpose of documentation.
@@ -96,7 +110,7 @@ function useAppState () {
         return newBchWalletState
       })
 
-    // console.log(`New wallet state: ${JSON.stringify(bchWalletState, null, 2)}`)
+      // console.log(`New wallet state: ${JSON.stringify(bchWalletState, null, 2)}`)
     } catch (err) {
       console.error('Error in App.js updateBchWalletState()')
       throw err
@@ -113,6 +127,35 @@ function useAppState () {
     setNftForSaleCacheData(allCacheData) // Update the state
     updateLocalStorage({ nftData: allCacheData }) // Update the local storage
   }
+  // Update relays data
+  function updateRelaysData (relaysData) {
+    setRelaysData(relaysData)
+    updateLocalStorage({ relays: relaysData }) // Update the local storage
+    // get the relay addresses with read set to true
+    const readRelays = relaysData.filter(relay => relay.read).map(relay => relay.address)
+    setReadRelays(readRelays)
+    console.log('readRelays: ', readRelays)
+    // get the relay addresses with write set to true
+    const writeRelays = relaysData.filter(relay => relay.write).map(relay => relay.address)
+    setWriteRelays(writeRelays)
+    console.log('writeRelays: ', writeRelays)
+    nostrQueriesRef.current = new NostrQueries({ relays: readRelays })
+  }
+  // Restore relays data
+  function restoreRelaysData () {
+    const relaysData = [...localStorageDefault.relays] // Create a new array  in order to detect changes
+    setRelaysData(relaysData)
+    updateLocalStorage({ relays: relaysData })
+    // get the relay addresses with read set to true
+    const readRelays = relaysData.filter(relay => relay.read).map(relay => relay.address)
+    setReadRelays(readRelays)
+    console.log('readRelays: ', readRelays)
+    // get the relay addresses with write set to true
+    const writeRelays = relaysData.filter(relay => relay.write).map(relay => relay.address)
+    setWriteRelays(writeRelays)
+    console.log('writeRelays: ', writeRelays)
+    nostrQueriesRef.current = new NostrQueries({ relays: readRelays })
+  }
 
   return {
     serverUrl,
@@ -156,7 +199,14 @@ function useAppState () {
     lastFeedTab,
     setLastFeedTab,
     isSingleView,
-    setIsSingleView
+    setIsSingleView,
+    nostrQueries: nostrQueriesRef.current,
+    relaysData,
+    updateRelaysData,
+    restoreRelaysData,
+    readRelays,
+    writeRelays
+
   }
 }
 

src/services/nostr-queries.js

@@ -0,0 +1,305 @@
+/**
+ *  Nostr class for query into relay pools
+ *
+ */
+import { RelayPool } from 'nostr'
+import * as nip19 from 'nostr-tools/nip19'
+
+export default class NostrQueries {
+  constructor ({ relays }) {
+    this.relays = relays || []
+  }
+
+  setRelays (relays) {
+    this.relays = relays
+  }
+
+  npubToHex (npub) {
+    const pubHexData = nip19.decode(npub)
+    const pubHex = pubHexData.data
+    return pubHex
+  }
+
+  // Load profile from nostr relays
+  // It uses multiple relays. It will exit after the first successful retrieval
+  // from any relay. If one relay fails, it will move on to the next one.
+  async getProfile (pubHex) {
+    try {
+      if (this.relays.length === 0) {
+        return false
+      }
+      for (let i = 0; i < this.relays.length; i++) {
+        const profile = await new Promise((resolve) => {
+          const relay = this.relays[i]
+          // const pool = RelayPool(config.nostrRelays)
+          const pool = RelayPool([relay])
+          pool.on('open', relay => {
+            relay.subscribe('subid', { limit: 5, kinds: [0], authors: [pubHex] })
+          })
+
+          pool.on('eose', relay => {
+            relay.close()
+            resolve(false)
+          })
+
+          pool.on('event', (relay, subId, ev) => {
+            try {
+              const profile = JSON.parse(ev.content)
+              // console.log('profile', profile)
+              console.log(`Profile found  for ${pubHex} at ${relay.url}`)
+              resolve(profile)
+            } catch (error) {
+              resolve(false)
+            }
+            relay.close()
+          })
+          pool.on('error', (relay) => {
+            relay.close()
+            resolve(false)
+          })
+        })
+        // Stop looking for profile if found
+        if (profile) {
+          return profile
+        }
+      }
+    } catch (error) {
+      console.warn(error)
+    }
+  }
+
+  // Get Feeds by user pubkey
+  async getUserFeeds (pubHex) {
+    try {
+      if (this.relays.length === 0) {
+        return []
+      }
+      let feeds = await new Promise((resolve) => {
+        let list = []
+        const closedRelays = []
+
+        const pool = RelayPool(this.relays)
+
+        pool.on('open', relay => {
+          relay.subscribe('subid', { limit: 5, kinds: [1], authors: [pubHex] })
+        })
+
+        pool.on('eose', relay => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          }
+          // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(list)
+          }
+        })
+
+        pool.on('event', (relay, subId, ev) => {
+          list = [...list, ev]
+        })
+        pool.on('error', (relay) => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          } // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(list)
+          }
+        })
+      })
+      // Remove duplicated feeds
+      feeds = feeds.filter((val, i, list) => {
+        const existingIndex = list.findIndex(value => value.id === val.id)
+        return existingIndex === i
+      })
+
+      // Sort from newest to oldest
+      feeds.sort((a, b) => b.created_at - a.created_at)
+
+      return feeds
+    } catch (error) {
+      console.warn(error)
+    }
+  }
+
+  // Get global feeds
+  async getGlobalFeeds () {
+    try {
+      if (this.relays.length === 0) {
+        return []
+      }
+
+      let feeds = await new Promise((resolve, reject) => {
+        let list = []
+        const closedRelays = []
+
+        const pool = RelayPool(this.relays)
+        // const pool = RelayPool([config.nostrRelay])
+        pool.on('open', relay => {
+          relay.subscribe('REQ', { limit: 10, kinds: [1], '#t': ['slpdex-socialmedia'] })
+        })
+
+        pool.on('eose', relay => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          }
+          // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(list)
+          }
+        })
+
+        pool.on('event', (relay, subId, ev) => {
+          console.log('post retrieved from ', relay.url, ev.sig)
+          list = [...list, ev]
+        })
+        pool.on('error', (relay) => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          }
+          // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(list)
+          }
+        })
+      })
+
+      // Remove duplicated feeds
+      feeds = feeds.filter((val, i, list) => {
+        const existingIndex = list.findIndex(value => value.id === val.id)
+        return existingIndex === i
+      })
+
+      // Sort from newest to oldest
+      feeds.sort((a, b) => b.created_at - a.created_at)
+
+      // console.log('feeds', feeds)
+
+      return feeds
+    } catch (error) {
+      console.warn(error)
+    }
+  }
+
+  // Get follow list by pubkey
+  async getFollowList (pubHex) {
+    if (this.relays.length === 0) {
+      return []
+    }
+    return new Promise((resolve, reject) => {
+      let list = []
+      const closedRelays = []
+
+      const pool = RelayPool(this.relays)
+      // const pool = RelayPool([config.nostrRelay])
+      pool.on('open', relay => {
+        relay.subscribe('subid', { limit: 1, kinds: [3], authors: [pubHex] })
+      })
+
+      pool.on('eose', relay => {
+        relay.close()
+        if (!closedRelays.includes(relay)) {
+          closedRelays.push(relay)
+        }
+        // Resolve list if all relays are closed
+        if (closedRelays.length === this.relays.length) {
+          resolve(list)
+        }
+      })
+
+      pool.on('event', (relay, subId, ev) => {
+        // console.log('Received event:', ev)
+        // Merge list received from all relays
+        list = [...list, ...ev.tags]
+      })
+      pool.on('error', (relay) => {
+        relay.close()
+        if (!closedRelays.includes(relay)) {
+          closedRelays.push(relay)
+        }
+        // Resolve list if all relays are closed
+        if (closedRelays.length === this.relays.length) {
+          resolve(list)
+        }
+      })
+    })
+  }
+
+  // Get event likes
+  async getPostLikes (postId) {
+    try {
+      if (this.relays.length === 0) {
+        return []
+      }
+      let likesRes = await new Promise((resolve) => {
+        const likes = []
+        const closedRelays = []
+
+        const pool = RelayPool(this.relays)
+        pool.on('open', relay => {
+          relay.subscribe('subid', { kinds: [7], '#e': [postId] })
+        })
+
+        pool.on('eose', relay => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          }
+          // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(likes)
+          }
+        })
+
+        pool.on('event', (relay, subId, ev) => {
+          try {
+            // Count likes
+            if (ev.content === '+' || ev.content === '-') {
+              likes.push(ev)
+            }
+          } catch (error) {
+            // skip error
+          }
+        })
+        pool.on('error', (relay) => {
+          relay.close()
+          if (!closedRelays.includes(relay)) {
+            closedRelays.push(relay)
+          }
+          // Resolve list if all relays are closed
+          if (closedRelays.length === this.relays.length) {
+            resolve(likes)
+          }
+        })
+      })
+
+      // Remove duplicated events
+      likesRes = likesRes.filter((val, i, list) => {
+        const existingIndex = list.findIndex(value => value.id === val.id)
+        return existingIndex === i
+      })
+      // Get likes
+      const likesArr = likesRes.filter((val, i, list) => {
+        return val.content === '+'
+      })
+
+      // Get dislikes
+      const dislikesArr = likesRes.filter((val, i, list) => {
+        return val.content === '-'
+      })
+      // For every user dislike remove a user like from the array
+      for (let i = 0; i < dislikesArr.length; i++) {
+        const disLike = dislikesArr[i]
+        const likeExist = likesArr.findIndex(val => val.pubkey === disLike.pubkey)
+        if (likeExist >= 0) likesArr.splice(likeExist, 1)
+      }
+      // Return array of likes.
+      return likesArr
+    } catch (error) {
+      console.warn(error)
+    }
+  }
+}