chore: apply suggestions from code review

Co-authored-by: Jacob Heun <jacobheun@gmail.com>

doc/CONFIGURATION.md

@@ -449,9 +449,9 @@ const node = await Libp2p.create({
     relay: {                   // Circuit Relay options (this config is part of libp2p core configurations)
       enabled: true,           // Allows you to dial and accept relayed connections. Does not make you a relay.
       autoRelay: {
-        enabled: false,         // Allows you to bind to relays with HOP enabled for improving node dialability
+        enabled: true,         // Allows you to bind to relays with HOP enabled for improving node dialability
         maxListeners: 2         // Configure maximum number of HOP relays to use
-      },
+      }
     }
   }
 })

src/circuit/index.js

@@ -68,12 +68,12 @@ class Relay {
       await this._libp2p.contentRouting.provide(cid)
     } catch (err) {
       if (err.code === 'NO_ROUTERS_AVAILABLE') {
-        log('there are no routers configured to advertise hop relay service')
+        log.error('a content router, such as a DHT, must be provided in order to advertise the relay service', err)
+        // Stop the advertise
+        this.stop()
       } else {
         log.error(err)
       }
-      // Stop the advertise
-      this.stop()
 
       return
     }

src/config.js

@@ -59,7 +59,7 @@ const DefaultConfig = {
       enabled: true,
       advertise: {
         bootDelay: RelayConstants.ADVERTISE_BOOT_DELAY,
-        enabled: true,
+        enabled: false,
         ttl: RelayConstants.ADVERTISE_TTL
       },
       hop: {

test/relay/auto-relay.node.js

@@ -486,7 +486,8 @@ describe('auto-relay', () => {
             relay: {
               advertise: {
                 bootDelay: 1000,
-                ttl: 1000
+                ttl: 1000,
+                enabled: true
               },
               hop: {
                 enabled: index === 2