diff --git a/blockbook.go b/blockbook.go
index 57c5bbe4..5e39318b 100644
--- a/blockbook.go
+++ b/blockbook.go
@@ -26,7 +26,7 @@ type Blockchain interface {
 }
 
 type Index interface {
-	GetBestBlockHash() (string, error)
+	GetBestBlock() (uint32, string, error)
 	GetBlockHash(height uint32) (string, error)
 	GetTransactions(address string, lower uint32, higher uint32, fn func(txid string) error) error
 	ConnectBlock(block *bitcoin.Block) error
@@ -192,7 +192,7 @@ func resyncIndex(chain Blockchain, index Index) error {
 	if err != nil {
 		return err
 	}
-	local, err := index.GetBestBlockHash()
+	_, local, err := index.GetBestBlock()
 	if err != nil {
 		local = ""
 	}
diff --git a/db/rocksdb.go b/db/rocksdb.go
index f8af9aab..ee7baf9d 100644
--- a/db/rocksdb.go
+++ b/db/rocksdb.go
@@ -20,6 +20,7 @@ func RepairRocksDB(name string) error {
 	return gorocksdb.RepairDb(name, opts)
 }
 
+// RocksDB handle
 type RocksDB struct {
 	db  *gorocksdb.DB
 	wo  *gorocksdb.WriteOptions
@@ -292,10 +293,20 @@ func packOutpoint(txid string, vout uint32) ([]byte, error) {
 
 // Block index
 
-func (d *RocksDB) GetBestBlockHash() (string, error) {
-	return "", nil // TODO
+// GetBestBlock returns the block hash of the block with highest height in the db
+func (d *RocksDB) GetBestBlock() (uint32, string, error) {
+	it := d.db.NewIteratorCF(d.ro, d.cfh[cfHeight])
+	defer it.Close()
+	if it.SeekToLast(); it.Valid() {
+		bestHeight := unpackUint(it.Key().Data())
+		val, err := unpackBlockValue(it.Value().Data())
+		log.Printf("Bestblock: %d %s", bestHeight, val)
+		return bestHeight, val, err
+	}
+	return 0, "", nil
 }
 
+// GetBlockHash returns block hash at given height or empty string if not found
 func (d *RocksDB) GetBlockHash(height uint32) (string, error) {
 	key := packUint(height)
 	val, err := d.db.GetCF(d.ro, d.cfh[cfHeight], key)
@@ -339,6 +350,10 @@ func packUint(i uint32) []byte {
 	return buf
 }
 
+func unpackUint(buf []byte) uint32 {
+	return binary.BigEndian.Uint32(buf)
+}
+
 func packVaruint(i uint32) []byte {
 	buf := make([]byte, vlq.MaxLen32)
 	ofs := vlq.PutUint(buf, uint64(i))
diff --git a/server/https.go b/server/https.go
index 15236ab6..77914ad2 100644
--- a/server/https.go
+++ b/server/https.go
@@ -84,7 +84,7 @@ func (s *HttpServer) info(w http.ResponseWriter, r *http.Request) {
 }
 
 func (s *HttpServer) bestBlockHash(w http.ResponseWriter, r *http.Request) {
-	hash, err := s.db.GetBestBlockHash()
+	_, hash, err := s.db.GetBestBlock()
 	if err != nil {
 		respondError(w, err, "bestBlockHash")
 		return