Merge PR #3792: Use DBBackend set at compile time

* use DBBackend set at compile time

Closes: #3719

* Refresh changelog

* Tweak Makefile

server/constructors.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"path/filepath"
 
+	sdk "github.com/cosmos/cosmos-sdk/types"
 	abci "github.com/tendermint/tendermint/abci/types"
 	dbm "github.com/tendermint/tendermint/libs/db"
 	"github.com/tendermint/tendermint/libs/log"
@@ -24,7 +25,7 @@ type (
 
 func openDB(rootDir string) (dbm.DB, error) {
 	dataDir := filepath.Join(rootDir, "data")
-	db, err := dbm.NewGoLevelDB("application", dataDir)
+	db, err := sdk.NewLevelDB("application", dataDir)
 	return db, err
 }
 

server/mock/app.go

@@ -8,7 +8,6 @@ import (
 	"github.com/tendermint/tendermint/types"
 
 	abci "github.com/tendermint/tendermint/abci/types"
-	dbm "github.com/tendermint/tendermint/libs/db"
 	"github.com/tendermint/tendermint/libs/log"
 
 	bam "github.com/cosmos/cosmos-sdk/baseapp"
@@ -20,7 +19,7 @@ import (
 // similar to a real app. Make sure rootDir is empty before running the test,
 // in order to guarantee consistent results
 func NewApp(rootDir string, logger log.Logger) (abci.Application, error) {
-	db, err := dbm.NewGoLevelDB("mock", filepath.Join(rootDir, "data"))
+	db, err := sdk.NewLevelDB("mock", filepath.Join(rootDir, "data"))
 	if err != nil {
 		return nil, err
 	}