feat(prover): improve guardian prover SendStartup logs (#744)

prover/guardian_prover_heartbeater/guardian_prover.go

@@ -105,16 +105,16 @@ func (s *GuardianProverHeartBeater) SignAndSendBlock(ctx context.Context, blockI
 	return nil
 }
 
-// SendStartup sends the startup message to the health check server.
-func (s *GuardianProverHeartBeater) SendStartup(
+// SendStartupMessage sends the startup message to the health check server.
+func (s *GuardianProverHeartBeater) SendStartupMessage(
 	ctx context.Context,
 	revision string,
 	version string,
 	l1NodeVersion string,
 	l2NodeVersion string,
 ) error {
 	if s.healthCheckServerEndpoint == nil {
-		log.Info("No health check server endpoint set, returning early")
+		log.Warn("No health check server endpoint set, returning early")
 		return nil
 	}
 
@@ -131,23 +131,21 @@ func (s *GuardianProverHeartBeater) SendStartup(
 		return err
 	}
 
-	req := &startupReq{
+	if err := s.post(ctx, "startup", &startupReq{
 		Revision:        revision,
 		GuardianVersion: version,
 		L1NodeVersion:   l1NodeVersion,
 		L2NodeVersion:   l2NodeVersion,
 		ProverAddress:   s.proverAddress.Hex(),
 		Signature:       sig,
-	}
-
-	if err := s.post(ctx, "startup", req); err != nil {
+	}); err != nil {
 		return err
 	}
 
 	log.Info(
-		"Guardian prover successfully sent startup",
-		"revision", revision,
-		"version", version,
+		"Guardian prover successfully sent the startup message",
+		"l1NodeVersion", l1NodeVersion,
+		"l2NodeVersion", l2NodeVersion,
 	)
 
 	return nil

prover/guardian_prover_heartbeater/interface.go

@@ -8,7 +8,7 @@ import (
 // BlockSigner defines an interface that communicates with a central Guardian Prover server, sending signed blocks.
 type BlockSigner interface {
 	SignAndSendBlock(ctx context.Context, blockID *big.Int) error
-	SendStartup(
+	SendStartupMessage(
 		ctx context.Context,
 		revision string,
 		version string,

prover/prover.go

@@ -225,16 +225,18 @@ func (p *Prover) Start() error {
 
 	// 3. Start the guardian prover heartbeat sender if the current prover is a guardian prover.
 	if p.IsGuardianProver() && p.cfg.GuardianProverHealthCheckServerEndpoint != nil {
-		if err := p.guardianProverHeartbeater.SendStartup(
+		// Send the startup message to the guardian prover health check server.
+		if err := p.guardianProverHeartbeater.SendStartupMessage(
 			p.ctx,
 			version.CommitVersion(),
 			version.CommitVersion(),
 			p.cfg.L1NodeVersion,
 			p.cfg.L2NodeVersion,
 		); err != nil {
-			log.Error("Failed to send guardian prover startup", "error", err)
+			log.Error("Failed to send guardian prover startup message", "error", err)
 		}
 
+		// Start the guardian prover heartbeat loop.
 		go p.guardianProverHeartbeatLoop(p.ctx)
 	}