From a962d8c72349f3383b009f81757e5a7c884a8dea Mon Sep 17 00:00:00 2001
From: Felicio Mununga <felicio@users.noreply.github.com>
Date: Wed, 25 May 2022 14:42:47 +0200
Subject: [PATCH] fix js-waku utils

---
 packages/status-js/src/topics.ts | 5 ++---
 packages/status-js/src/utils.ts  | 6 ++++--
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/packages/status-js/src/topics.ts b/packages/status-js/src/topics.ts
index f4a402f..f197f7d 100644
--- a/packages/status-js/src/topics.ts
+++ b/packages/status-js/src/topics.ts
@@ -1,10 +1,9 @@
 import { BN } from 'bn.js'
 import { derive } from 'ecies-geth'
 import { ec } from 'elliptic'
-import { bufToHex } from 'js-waku/build/main/lib/utils'
 
 import { idToContentTopic } from './contentTopic'
-import { hexToBuf } from './utils'
+import { bufToHex, hexToBuf } from './utils'
 
 import type { Identity } from '.'
 
@@ -40,7 +39,7 @@ export async function getNegotiatedTopic(
   const key = EC.keyFromPublic(publicKey.slice(2), 'hex')
   const sharedSecret = await derive(
     Buffer.from(identity.privateKey),
-    hexToBuf(key.getPublic('hex'))
+    Buffer.concat([hexToBuf(key.getPublic('hex'))])
   )
   return idToContentTopic(bufToHex(sharedSecret))
 }
diff --git a/packages/status-js/src/utils.ts b/packages/status-js/src/utils.ts
index 3b7f541..89a20f3 100644
--- a/packages/status-js/src/utils.ts
+++ b/packages/status-js/src/utils.ts
@@ -8,14 +8,16 @@ import type { Waku } from 'js-waku'
 
 const EC = new ec('secp256k1')
 
-const hexToBuf = utils.hexToBuf
+// TODO: rename
+const hexToBuf = utils.hexToBytes
 export { hexToBuf }
 
+// TODO: rename
 /**
  * Return hex string with 0x prefix (commonly used for string format of a community id/public key.
  */
 export function bufToHex(buf: Uint8Array): string {
-  return '0x' + utils.bufToHex(buf)
+  return '0x' + utils.bytesToHex(buf)
 }
 
 export function compressPublicKey(key: Uint8Array): string {