feat: use buffers

packages/core/src/protobuf/encodePB64.ts

@@ -1,5 +0,0 @@
-import { MessageFns } from '../protos';
-
-export function encodePB64<Type>(message: MessageFns<Type>, data: Type) {
-  return Buffer.from(message.encode(data).finish()).toString('base64');
-}

packages/core/src/protobuf/encodePBBuffer.ts

@@ -0,0 +1,5 @@
+import { MessageFns } from '../protos';
+
+export function encodePBBuffer<Type>(message: MessageFns<Type>, data: Type) {
+  return Buffer.from(message.encode(data).finish());
+}

packages/core/src/protobuf/index.ts

@@ -1,3 +1,3 @@
-export * from './encodePB64';
+export * from './encodePBBuffer';
 export * from './fetchPB';
 export * from './pbMap';