fix: use wrapped feeds in download command (#633)

Author: Cafe137

src/command/download.ts

@@ -1,7 +1,6 @@
-import { MantarayNode } from '@ethersphere/bee-js'
+import { Bytes, MantarayNode } from '@ethersphere/bee-js'
 import fs from 'fs'
 import { Aggregation, LeafCommand } from 'furious-commander'
-import { Bytes } from '@ethersphere/bee-js'
 import { BzzAddress, makeBzzAddress } from '../utils/bzz-address'
 import { Download as ManifestDownload } from './manifest/download'
 import { RootCommand } from './root-command'

src/utils/bzz-address.ts

@@ -1,4 +1,5 @@
-import { Bee, MantarayNode } from '@ethersphere/bee-js'
+import { Bee, MantarayNode, MerkleTree } from '@ethersphere/bee-js'
+import { Binary } from 'cafe-utility'
 import { CommandLineError } from './error'
 
 export class BzzAddress {
@@ -37,8 +38,10 @@ export async function makeBzzAddress(bee: Bee, url: string): Promise<BzzAddress>
 
     const resolvedFeed = await manifest.resolveFeed(bee)
 
-    resolvedFeed.ifPresent(feed => {
-      address.hash = feed.payload.toHex()
+    await resolvedFeed.ifPresentAsync(async feed => {
+      const merkleTree = await MerkleTree.root(feed.payload.toUint8Array())
+      const cacAddress = Binary.uint8ArrayToHex(merkleTree.hash())
+      address.hash = cacAddress
     })
 
     return address