feat: use tahu for sparkplug decoding

backend/src/Model/sparkplugb.ts

@@ -1,18 +1,14 @@
-// cSpell:words protobuf
-import * as protobuf from 'protobufjs'
-import protocol from './sparkplugb.proto'
 import { Base64Message } from './Base64Message'
 import { Decoder } from './Decoder'
-
-const root = protobuf.parse(protocol).root
-/* cspell:disable-next-line */
-export let SparkplugPayload = root.lookupType('com.cirruslink.sparkplug.protobuf.Payload')
+import { get } from 'sparkplug-payload'
+var sparkplug = get("spBv1.0")
 
 export const SparkplugDecoder = {
   decode(input: Buffer): Base64Message {
     try {
-      const message = Base64Message.fromString(
-        JSON.stringify(SparkplugPayload.toObject(SparkplugPayload.decode(new Uint8Array(input))))
+      const message = Base64Message.fromString(JSON.stringify(
+        // @ts-ignore
+        sparkplug.decodePayload(new Uint8Array(input)))
       )
       message.decoder = Decoder.SPARKPLUG
       return message