fixed minor streaming nits

app/api.js

@@ -128,7 +128,6 @@ async function upload(
   streamInfo,
   metadata,
   verifierB64,
-  keychain,
   onprogress,
   canceller
 ) {
@@ -176,14 +175,7 @@ async function upload(
   }
 }
 
-export function uploadWs(
-  encrypted,
-  info,
-  metadata,
-  verifierB64,
-  keychain,
-  onprogress
-) {
+export function uploadWs(encrypted, info, metadata, verifierB64, onprogress) {
   const canceller = { cancelled: false };
 
   return {
@@ -195,7 +187,6 @@ export function uploadWs(
       info,
       metadata,
       verifierB64,
-      keychain,
       onprogress,
       canceller
     )

app/fileReceiver.js

@@ -53,7 +53,7 @@ export default class FileReceiver extends Nanobus {
 
   async streamToArrayBuffer(stream, streamSize) {
     const reader = stream.getReader();
-    const result = new Int8Array(streamSize);
+    const result = new Uint8Array(streamSize);
     let offset = 0;
 
     let state = await reader.read();

app/fileSender.js

@@ -74,7 +74,6 @@ export default class FileSender extends Nanobus {
       enc.streamInfo,
       metadata,
       authKeyB64,
-      this.keychain,
       p => {
         this.progress = p;
         this.emit('progress');