f3: Correctly renew leases early

go.mod

@@ -54,7 +54,6 @@ require (
 	github.com/ipfs/go-ipld-cbor v0.2.0
 	github.com/ipfs/go-log/v2 v2.5.1
 	github.com/jackc/pgerrcode v0.0.0-20240316143900-6e2875d9b438
-	github.com/jpillora/backoff v1.0.0
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/libp2p/go-buffer-pool v0.1.0
 	github.com/manifoldco/promptui v0.9.0
@@ -206,6 +205,7 @@ require (
 	github.com/jessevdk/go-flags v1.4.0 // indirect
 	github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
+	github.com/jpillora/backoff v1.0.0 // indirect
 	github.com/kilic/bls12-381 v0.1.1-0.20220929213557-ca162e8a70f4 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.8 // indirect

tasks/f3/f3_task.go

@@ -163,6 +163,8 @@ func (f *F3Task) participateLoop(ctx context.Context, stillOwned func() bool, ti
 		case err != nil:
 			log.Errorw("Unexpected error while attempting F3 participation. Retrying after backoff", "err", err)
 			return xerrors.Errorf("attempting F3 participation with ticket: %w", err)
+		case lease.ValidityTerm <= renewLeaseWithin:
+			return nil // Return to get a new ticket
 		default:
 			// Successfully participated
 			if !haveLease {