fixed linter errors

chainio/constructor/constructor.go

@@ -128,6 +128,10 @@ func (config *Config) buildElClients(
 		ethHttpClient,
 		logger,
 	)
+	if err != nil {
+		logger.Error("Failed to create EigenlayerContractBindings", "err", err)
+		return nil, nil, nil, err
+	}
 
 	// get the Reader for the EL contracts
 	elChainReader := elcontracts.NewELChainReader(

chainio/utils/bindings.go

@@ -119,6 +119,10 @@ func NewAVSRegistryContractBindings(
 	}
 
 	stakeregistryAddr, err := contractBlsRegistryCoordinator.StakeRegistry(&bind.CallOpts{})
+	if err != nil {
+		logger.Error("Failed to fetch StakeRegistry address", "err", err)
+		return nil, err
+	}
 	contractStakeRegistry, err := stakeregistry.NewContractStakeRegistry(
 		stakeregistryAddr,
 		ethclient,
@@ -129,6 +133,10 @@ func NewAVSRegistryContractBindings(
 	}
 
 	blsPubkeyRegistryAddr, err := contractBlsRegistryCoordinator.BlsPubkeyRegistry(&bind.CallOpts{})
+	if err != nil {
+		logger.Error("Failed to fetch BLSPubkeyRegistry address", "err", err)
+		return nil, err
+	}
 	contractBlsPubkeyRegistry, err := blspubkeyregistry.NewContractBLSPubkeyRegistry(
 		blsPubkeyRegistryAddr,
 		ethclient,
@@ -139,6 +147,10 @@ func NewAVSRegistryContractBindings(
 	}
 
 	blsPubkeyCompendiumAddr, err := contractBlsPubkeyRegistry.PubkeyCompendium(&bind.CallOpts{})
+	if err != nil {
+		logger.Error("Failed to fetch BLSPublicKeyCompendium address", "err", err)
+		return nil, err
+	}
 	contractBlsPubkeyCompendium, err := blspubkeycompendium.NewContractBLSPublicKeyCompendium(
 		blsPubkeyCompendiumAddr,
 		ethclient,

metrics/eigenmetrics_example_test.go

@@ -26,8 +26,6 @@ func ExampleEigenMetrics() {
 	if err != nil {
 		panic(err)
 	}
-	// reg := prometheus.NewRegistry()
-	// eigenMetrics := metrics.NewEigenMetrics("exampleAvs", ":9090", reg, logger)
 
 	chainioConfig := constructor.Config{
 		EcdsaPrivateKeyString:         "0x0",