fix: 🐛 refactor and update changelog

CHANGELOG.md

@@ -1,3 +1,6 @@
+# 3.0.2
+### Bug Fixes:
+- Store membership handles both as utf-8 string and raw bytes - [#4950](https://github.com/Joystream/joystream/pull/4950)
 # 3.0.1
 ### Misc
 - add migration for the `Account` id field

package.json

@@ -44,7 +44,6 @@
     "@subsquid/typeorm-migration": "^0.1.4",
     "@subsquid/typeorm-store": "^0.2.0",
     "@types/lodash": "^4.14.189",
-    "@types/utf-8-validate": "^5.0.1",
     "@typescript/analyze-trace": "^0.9.1",
     "ajv": "^6.11.0",
     "async-lock": "^1.3.1",
@@ -67,8 +66,7 @@
     "type-graphql": "^1.2.0-rc.1",
     "typeorm": "^0.3.11",
     "ua-parser-js": "^1.0.34",
-    "url-join": "^4",
-    "utf-8-validate": "^5.0.10"
+    "url-join": "^4"
   },
   "devDependencies": {
     "@graphql-codegen/cli": "^3.0.0",

src/mappings/membership/index.ts

@@ -72,7 +72,7 @@ export async function processMemberProfileUpdatedEvent({
 }
 
 function updateMemberHandle(member: Membership, newHandle: Uint8Array) {
-  member.handleRaw = '0x' + u8aToHex(newHandle)
+  member.handleRaw = u8aToHex(newHandle)
   member.handle = bytesToString(newHandle)
 }
 

src/mappings/utils.ts

@@ -16,7 +16,6 @@ import { createType } from '@joystream/types'
 import { u8aToHex } from '@polkadot/util'
 import { CommentCountersManager } from '../utils/CommentsCountersManager'
 import { VideoRelevanceManager } from '../utils/VideoRelevanceManager'
-import isValidUTF8 from 'utf-8-validate'
 
 export const commentCountersManager = new CommentCountersManager()
 export const videoRelevanceManager = new VideoRelevanceManager()
@@ -25,9 +24,7 @@ videoRelevanceManager.init(1000 * 60 * 60)
 export const JOYSTREAM_SS58_PREFIX = 126
 
 export function bytesToString(b: Uint8Array): string {
-  const buffer = Buffer.from(b) // assumes default utf-8 encoding
-  // Use the utf-8-validate library to check if the Buffer contains valid UTF-8 data
-  return isValidUTF8(buffer) ? buffer.toString('utf-8') : '0x' + buffer.toString('hex')
+  return Buffer.from(b).toString()
 }
 
 export function deserializeMetadata<T>(