chore: amend loading blockstore

server/export.go

@@ -6,11 +6,12 @@ import (
 	"errors"
 	"fmt"
 	"github.com/spf13/cobra"
+	cfg "github.com/tendermint/tendermint/config"
 	tmjson "github.com/tendermint/tendermint/libs/json"
+	tmnode "github.com/tendermint/tendermint/node"
 	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
-	tmstore "github.com/tendermint/tendermint/store"
+	"github.com/tendermint/tendermint/store"
 	tmtypes "github.com/tendermint/tendermint/types"
-	tmdb "github.com/tendermint/tm-db"
 	"os"
 
 	"github.com/cosmos/cosmos-sdk/client/flags"
@@ -25,14 +26,20 @@ const (
 )
 
 // GetLatestBlockHeaderFromDB returns the latest block header from the blockstore database
-func GetLatestBlockHeaderFromDB(blockStoreDB tmdb.DB) (*tmtypes.Header, error) {
+func GetLatestBlockHeaderFromDB() (*tmtypes.Header, error) {
 	// Load the blockstore
-	blockStore := tmstore.NewBlockStore(blockStoreDB)
+	blockStoreDB, err := tmnode.DefaultDBProvider(&tmnode.DBContext{ID: "blockstore", Config: cfg.DefaultConfig()})
+	if err != nil {
+		return nil, err
+	}
 	defer blockStoreDB.Close()
 
+	blockStore := store.NewBlockStore(blockStoreDB)
+
 	// Get the latest block meta
 	latestHeight := blockStore.Height()
 	blockMeta := blockStore.LoadBlockMeta(latestHeight)
+
 	if blockMeta == nil {
 		return nil, errors.New("latest block metadata not found in blockstore")
 	}
@@ -95,7 +102,7 @@ func ExportCmd(appExporter types.AppExporter, defaultNodeHome string) *cobra.Com
 				return err
 			}
 
-			latestBlockHeader, err := GetLatestBlockHeaderFromDB(db)
+			latestBlockHeader, err := GetLatestBlockHeaderFromDB()
 			if err != nil {
 				return err
 			}