fix: add missing http payload length

the http metadata should have a payload length... of zero

see: ttps://github.com/storacha/ipni/pull/15

License: MIT
Signed-off-by: Oli Evans <[email protected]>

Author: olizilla

package-lock.json

@@ -22,7 +22,7 @@
     "@ipld/dag-cbor": "^7.0.3",
     "@ipld/dag-json": "^8.0.11",
     "@libp2p/peer-id-factory": "^2.0.3",
-    "@web3-storage/ipni": "^2.0.0",
+    "@web3-storage/ipni": "^3.0.0",
     "bl": "^5.0.0",
     "dotenv": "^10.0.0",
     "hdr-histogram-js": "^3.0.0",

package.json

@@ -143,7 +143,9 @@ t.test('advertisement - extended provider', async t => {
   t.equal(ad.PreviousID.toString(), head)
   t.equal(ad.ExtendedProvider.Providers.length, 2)
   t.equal(ad.ExtendedProvider.Providers[1].Addresses[0], '/dns4/freeway.dag.house/tcp/443/https' )
-  t.same(ad.ExtendedProvider.Providers[1].Metadata, new Uint8Array(varint.encode(0x0920)))
+  // the last byte is a varint 0 denoting the empty payload length see: https://github.com/web3-storage/ipni/pull/15
+  const httpMetaWith0lengthpayload = varint.encode(0x0920, new Uint8Array(3)) // [ 160, 18, 0 ]
+  t.same(ad.ExtendedProvider.Providers[1].Metadata, httpMetaWith0lengthpayload)
 })
 
 t.test('advertisement - handles head fetching HTTP error', async t => {