Get rid of Result

index.ts

@@ -1,4 +1,3 @@
-import {Result} from 'rust'
 import logger from 'log'
 
 const log = logger('misc')
@@ -10,7 +9,7 @@ export function a2str(buf: Uint8Array) : string {
 export function str2a(str: string) : Uint8Array {
     const buf = new Uint8Array(str.length)
 
-    for (let i= 0, strLen = str.length; i < strLen; i++) {
+    for (let i = 0;i < str.length;i++) {
         buf[i] = str.charCodeAt(i)
     }
 
@@ -18,17 +17,18 @@ export function str2a(str: string) : Uint8Array {
 }
 
 export function a2b64(buf: Uint8Array) : string {
+    log.trace('a2b64')
     return btoa(a2str(buf))
 }
-export function b642a(b64: string) : Result<Uint8Array> {
+export function b642a(b64: string) : Uint8Array | null {
     log.trace('b642a')
 
     try {
-        return Result.ok(str2a(atob(b64)))
+        return str2a(atob(b64))
     } catch (e) {
         log.warn('b64 decode failed')
         log.debug(`error : ${e}`)
     }
 
-    return Result.error([])
+    return null
 }