increase provider maddr ttl

We keep the Multiaddresses of providing peers around for much longer
as this means we'll return them alongside the provider records and
likely make the second DHT lookup for the peer record obsolete.

The assumption is that peers don't change network addresses often.
For context: ipfs/kubo#9264

providers/providers_manager.go

@@ -21,9 +21,16 @@ import (
 	"github.com/multiformats/go-base32"
 )
 
-// ProvidersKeyPrefix is the prefix/namespace for ALL provider record
-// keys stored in the data store.
-const ProvidersKeyPrefix = "/providers/"
+const (
+	// ProvidersKeyPrefix is the prefix/namespace for ALL provider record
+	// keys stored in the data store.
+	ProvidersKeyPrefix = "/providers/"
+
+	// ProviderAddrTTL is the TTL to keep the multi addresses of provider
+	// peers around. This means we return those addresses alongside provider
+	// records and likely make the second DHT lookup for addresses obsolete.
+	ProviderAddrTTL = 24 * time.Hour
+)
 
 // ProvideValidity is the default time that a provider record should last
 var ProvideValidity = time.Hour * 24
@@ -232,7 +239,7 @@ func (pm *ProviderManager) run(ctx context.Context, proc goprocess.Process) {
 // AddProvider adds a provider
 func (pm *ProviderManager) AddProvider(ctx context.Context, k []byte, provInfo peer.AddrInfo) error {
 	if provInfo.ID != pm.self { // don't add own addrs.
-		pm.pstore.AddAddrs(provInfo.ID, provInfo.Addrs, peerstore.ProviderAddrTTL)
+		pm.pstore.AddAddrs(provInfo.ID, provInfo.Addrs, ProviderAddrTTL)
 	}
 	prov := &addProv{
 		ctx: ctx,