Fully move to protobufjs

ts/Bytes.ts

@@ -37,7 +37,7 @@ export function toString(data: Uint8Array): string {
   return bytes.toString(data);
 }
 
-export function concatenate(list: Array<Uint8Array>): Uint8Array {
+export function concatenate(list: ReadonlyArray<Uint8Array>): Uint8Array {
   return bytes.concatenate(list);
 }
 
@@ -50,3 +50,10 @@ export function isNotEmpty(
 ): data is Uint8Array {
   return !bytes.isEmpty(data);
 }
+
+export function areEqual(
+  a: Uint8Array | null | undefined,
+  b: Uint8Array | null | undefined
+): boolean {
+  return bytes.areEqual(a, b);
+}