fix nip19: relays TLV items are optional.

Author: fiatjaf

nip19.test.js

@@ -56,3 +56,15 @@ test('encode and decode naddr', () => {
   expect(data.kind).toEqual(30023)
   expect(data.identifier).toEqual('banana')
 })
+
+test('encode and decode naddr from habla.news', () => {
+  let {type, data} = nip19.decode(
+    'naddr1qq98yetxv4ex2mnrv4esygrl54h466tz4v0re4pyuavvxqptsejl0vxcmnhfl60z3rth2xkpjspsgqqqw4rsf34vl5'
+  )
+  expect(type).toEqual('naddr')
+  expect(data.pubkey).toEqual(
+    '7fa56f5d6962ab1e3cd424e758c3002b8665f7b0d8dcee9fe9e288d7751ac194'
+  )
+  expect(data.kind).toEqual(30023)
+  expect(data.identifier).toEqual('references')
+})

nip19.ts

@@ -39,7 +39,7 @@ export function decode(nip19: string): {
         type: 'nprofile',
         data: {
           pubkey: secp256k1.utils.bytesToHex(tlv[0][0]),
-          relays: tlv[1].map(d => utf8Decoder.decode(d))
+          relays: tlv[1] ? tlv[1].map(d => utf8Decoder.decode(d)) : []
         }
       }
     }
@@ -52,7 +52,7 @@ export function decode(nip19: string): {
         type: 'nevent',
         data: {
           id: secp256k1.utils.bytesToHex(tlv[0][0]),
-          relays: tlv[1].map(d => utf8Decoder.decode(d))
+          relays: tlv[1] ? tlv[1].map(d => utf8Decoder.decode(d)) : []
         }
       }
     }
@@ -71,7 +71,7 @@ export function decode(nip19: string): {
           identifier: utf8Decoder.decode(tlv[0][0]),
           pubkey: secp256k1.utils.bytesToHex(tlv[2][0]),
           kind: parseInt(secp256k1.utils.bytesToHex(tlv[3][0]), 16),
-          relays: tlv[1].map(d => utf8Decoder.decode(d))
+          relays: tlv[1] ? tlv[1].map(d => utf8Decoder.decode(d)) : []
         }
       }
     }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "1.6.0",
+  "version": "1.6.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",