diff --git a/cmd/stateSnapshot.go b/cmd/stateSnapshot.go
index d98bbd0..6a28319 100644
--- a/cmd/stateSnapshot.go
+++ b/cmd/stateSnapshot.go
@@ -40,7 +40,11 @@ var stateSnapshotCmd = &cobra.Command{
 func stateSnapshot() {
 	snapConfig := &snapshot.Config{}
 	snapConfig.Init()
-	snapshotService, err := snapshot.NewSnapshotService(snapConfig)
+	pgDB, err := snapshot.NewPostgresDB(snapConfig.DB)
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+	snapshotService, err := snapshot.NewSnapshotService(snapConfig.Eth, snapshot.NewPublisher(pgDB))
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}
diff --git a/pkg/snapshot/config.go b/pkg/snapshot/config.go
index 532d14d..b052eb6 100644
--- a/pkg/snapshot/config.go
+++ b/pkg/snapshot/config.go
@@ -30,37 +30,47 @@ const (
 	LVL_DB_PATH       = "LVL_DB_PATH"
 )
 
-// Config is config parameters for DB.
-type Config struct {
+// DBConfig is config parameters for DB.
+type DBConfig struct {
+	Node       ethNode.Info
+	URI        string
+	ConnConfig postgres.ConnectionConfig
+}
+
+type EthConfig struct {
 	LevelDBPath   string
 	AncientDBPath string
-	Node          ethNode.Info
-	connectionURI string
-	DBConfig      postgres.ConnectionConfig
+}
+
+type Config struct {
+	DB  *DBConfig
+	Eth *EthConfig
 }
 
 // Init Initialises config
 func (c *Config) Init() {
-	c.dbInit()
-	viper.BindEnv("leveldb.path", LVL_DB_PATH)
+	c.DB.dbInit()
 	viper.BindEnv("ethereum.nodeID", ETH_NODE_ID)
 	viper.BindEnv("ethereum.clientName", ETH_CLIENT_NAME)
 	viper.BindEnv("ethereum.genesisBlock", ETH_GENESIS_BLOCK)
 	viper.BindEnv("ethereum.networkID", ETH_NETWORK_ID)
-	viper.BindEnv("leveldb.ancient", ANCIENT_DB_PATH)
 
-	c.Node = ethNode.Info{
+	c.DB.Node = ethNode.Info{
 		ID:           viper.GetString("ethereum.nodeID"),
 		ClientName:   viper.GetString("ethereum.clientName"),
 		GenesisBlock: viper.GetString("ethereum.genesisBlock"),
 		NetworkID:    viper.GetString("ethereum.networkID"),
 		ChainID:      viper.GetUint64("ethereum.chainID"),
 	}
-	c.LevelDBPath = viper.GetString("leveldb.path")
-	c.AncientDBPath = viper.GetString("leveldb.ancient")
+
+	viper.BindEnv("leveldb.ancient", ANCIENT_DB_PATH)
+	viper.BindEnv("leveldb.path", LVL_DB_PATH)
+
+	c.Eth.AncientDBPath = viper.GetString("leveldb.ancient")
+	c.Eth.LevelDBPath = viper.GetString("leveldb.path")
 }
 
-func (c *Config) dbInit() {
+func (c *DBConfig) dbInit() {
 	viper.BindEnv("database.name", postgres.DATABASE_NAME)
 	viper.BindEnv("database.hostname", postgres.DATABASE_HOSTNAME)
 	viper.BindEnv("database.port", postgres.DATABASE_PORT)
@@ -78,9 +88,9 @@ func (c *Config) dbInit() {
 	dbParams.User = viper.GetString("database.user")
 	dbParams.Password = viper.GetString("database.password")
 
-	c.connectionURI = postgres.DbConnectionString(dbParams)
-	// DB config
-	c.DBConfig.MaxIdle = viper.GetInt("database.maxIdle")
-	c.DBConfig.MaxOpen = viper.GetInt("database.maxOpen")
-	c.DBConfig.MaxLifetime = viper.GetInt("database.maxLifetime")
+	c.URI = postgres.DbConnectionString(dbParams)
+	// Connection config
+	c.ConnConfig.MaxIdle = viper.GetInt("database.maxIdle")
+	c.ConnConfig.MaxOpen = viper.GetInt("database.maxOpen")
+	c.ConnConfig.MaxLifetime = viper.GetInt("database.maxLifetime")
 }
diff --git a/pkg/snapshot/service.go b/pkg/snapshot/service.go
index 4fbad8f..01391f2 100644
--- a/pkg/snapshot/service.go
+++ b/pkg/snapshot/service.go
@@ -55,13 +55,16 @@ type Service struct {
 	maxBatchSize  uint
 }
 
-// NewSnapshotService creates Service.
-func NewSnapshotService(con *Config) (*Service, error) {
-	pgDB, err := postgres.NewDB(con.connectionURI, con.DBConfig, con.Node)
+func NewPostgresDB(con *DBConfig) (*postgres.DB, error) {
+	pgDB, err := postgres.NewDB(con.URI, con.ConnConfig, con.Node)
 	if err != nil {
 		return nil, err
 	}
+	return pgDB, nil
+}
 
+// NewSnapshotService creates Service.
+func NewSnapshotService(con *EthConfig, pub *Publisher) (*Service, error) {
 	edb, err := rawdb.NewLevelDBDatabaseWithFreezer(con.LevelDBPath, 1024, 256, con.AncientDBPath, "eth-pg-ipfs-state-snapshot", false)
 	if err != nil {
 		return nil, err
@@ -70,7 +73,7 @@ func NewSnapshotService(con *Config) (*Service, error) {
 	return &Service{
 		ethDB:         edb,
 		stateDB:       state.NewDatabase(edb),
-		ipfsPublisher: NewPublisher(pgDB),
+		ipfsPublisher: pub,
 		maxBatchSize:  defaultBatchSize,
 	}, nil
 }
diff --git a/pkg/snapshot/service_test.go b/pkg/snapshot/service_test.go
index b3e339f..b690249 100644
--- a/pkg/snapshot/service_test.go
+++ b/pkg/snapshot/service_test.go
@@ -16,7 +16,7 @@ func testConfig(leveldbpath, ancientdbpath string) *Config {
 	dbParams.User = "tester"
 	dbParams.Password = "test_pw"
 	uri := postgres.DbConnectionString(dbParams)
-	dbconfig := postgres.ConnectionConfig{
+	connconfig := postgres.ConnectionConfig{
 		MaxIdle:     0,
 		MaxLifetime: 0,
 		MaxOpen:     4,
@@ -30,14 +30,22 @@ func testConfig(leveldbpath, ancientdbpath string) *Config {
 	}
 
 	return &Config{
-		LevelDBPath:   leveldbpath,
-		AncientDBPath: ancientdbpath,
-		Node:          nodeinfo,
-		connectionURI: uri,
-		DBConfig:      dbconfig,
+		DB: &DBConfig{
+			Node:       nodeinfo,
+			URI:        uri,
+			ConnConfig: connconfig,
+		},
+		Eth: &EthConfig{
+			LevelDBPath:   leveldbpath,
+			AncientDBPath: ancientdbpath,
+		},
 	}
 }
 
+func NewMockPublisher() *Publisher {
+	return nil
+}
+
 func TestCreateSnapshot(t *testing.T) {
 	datadir := t.TempDir()
 	config := testConfig(
@@ -45,7 +53,8 @@ func TestCreateSnapshot(t *testing.T) {
 		filepath.Join(datadir, "ancient"),
 	)
 
-	service, err := NewSnapshotService(config)
+	pub := NewMockPublisher()
+	service, err := NewSnapshotService(config.Eth, pub)
 	if err != nil {
 		t.Fatal(err)
 	}