feat(nostr): Removed entries from authors on the npub blacklist

src/App.js

@@ -74,6 +74,7 @@ function App (props) {
 
       console.log('asyncInitStarted: ', appData.asyncInitStarted)
       console.log('is single view : ', singleView)
+      await appData.nostrQueries.start()
       if (!appData.asyncInitStarted && !singleView) {
         try {
           // Instantiate the async load object.

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

@@ -203,7 +203,8 @@ function NostrChat (props) {
 
     pool.on('event', (relay, subId, ev) => {
       console.log('Group post retrieved from ', relay.url, ev.content)
-      onMsgRead(ev)
+      const onBlackList = nostrQueries.blackList.find((val) => { return val === ev.pubkey })
+      if (!onBlackList)onMsgRead(ev)
     })
 
     return () => {

src/services/nostr-queries.js

@@ -6,6 +6,7 @@ import { RelayPool } from 'nostr'
 import * as nip19 from 'nostr-tools/nip19'
 import { nip04 } from 'nostr-tools'
 import { hexToBytes } from '@noble/hashes/utils' // already an installed dependency
+import axios from 'axios'
 
 export default class NostrQueries {
   constructor ({ relays }) {
@@ -13,6 +14,17 @@ export default class NostrQueries {
 
     this.loadedProfiles = {}
     this.loadedChannelsInfo = {}
+    this.blackList = []
+    this.blackListFetched = false
+  }
+
+  async start () {
+    try {
+      await this.getBlackList()
+    } catch (error) {
+      console.error('NostrQueries.start() error : ', error.message)
+      throw error
+    }
   }
 
   setRelays (relays) {
@@ -459,4 +471,39 @@ export default class NostrQueries {
       throw error
     }
   }
+
+  async getBlackList () {
+    try {
+      if (this.blackListFetched) return
+      const opts = {
+        method: 'GET',
+        url: 'https://blacklists.psfoundation.info/nostr-chat-blacklist.json',
+        headers: {
+          'Content-Type': 'application/json'
+        }
+      }
+
+      const result = await axios.request(opts)
+      const { data } = result
+      const { npubs } = data
+
+      // // Dev test mock npub for testing purposes
+      // const myNpubMock = 'npub1y3xq402pu9aqms3khetnt5gzm54t63pzcla56wwfmwshde0ws77qkff5gc'
+      // npubs.push(myNpubMock)
+      // //
+
+      this.blackListFetched = true
+      for (let i = 0; i < npubs.length; i++) {
+        const npub = npubs[i]
+        const pubKey = this.npubToHex(npub)
+        this.blackList.push(pubKey)
+      }
+      console.log('BlackList ', this.blackList)
+
+      return data
+    } catch (error) {
+      console.log('Error on getBlackList()')
+      throw error
+    }
+  }
 }