cleanup

app/store.go

@@ -84,12 +84,14 @@ func NewStore(dbName string, cacheSize int, logger log.Logger) (*Store, error) {
 	return res, nil
 }
 
+// Height gets the last height stored in the database
 func (s *Store) Height() uint64 {
-	return s.State.Committed().Tree.LatestVersion()
+	return s.State.LatestHeight()
 }
 
+// Hash gets the last hash stored in the database
 func (s *Store) Hash() []byte {
-	return s.State.Committed().Tree.Hash()
+	return s.State.LatestHash()
 }
 
 // Info implements abci.Application. It returns the height, hash and size (in the data).

state/merkle.go

@@ -37,6 +37,14 @@ func (s State) Check() SimpleDB {
 	return s.checkTx
 }
 
+func (s State) LatestHeight() uint64 {
+	return s.committed.Tree.LatestVersion()
+}
+
+func (s State) LatestHash() []byte {
+	return s.committed.Tree.Hash()
+}
+
 // BatchSet is used for some weird magic in storing the new height
 func (s *State) BatchSet(key, value []byte) {
 	if s.persistent {