Mount every single store with its own DB

examples/basecoin/app/app.go

@@ -2,6 +2,8 @@ package app
 
 import (
 	"encoding/json"
+	"os"
+	"path/filepath"
 
 	abci "github.com/tendermint/abci/types"
 	oldwire "github.com/tendermint/go-wire"
@@ -66,12 +68,30 @@ func NewBasecoinApp(logger log.Logger, db dbm.DB) *BasecoinApp {
 		AddRoute("ibc", ibc.NewHandler(ibcMapper, coinKeeper)).
 		AddRoute("staking", staking.NewHandler(stakeKeeper))
 
+	rootDir := os.ExpandEnv("$HOME/.basecoind")
+	dbMain, err := dbm.NewGoLevelDB("basecoin-main", filepath.Join(rootDir, "data"))
+	if err != nil {
+		cmn.Exit(err.Error())
+	}
+	dbIBC, err := dbm.NewGoLevelDB("basecoin-ibc", filepath.Join(rootDir, "data"))
+	if err != nil {
+		cmn.Exit(err.Error())
+	}
+	dbStaking, err := dbm.NewGoLevelDB("basecoin-staking", filepath.Join(rootDir, "data"))
+	if err != nil {
+		cmn.Exit(err.Error())
+	}
+
 	// initialize BaseApp
 	app.SetTxDecoder(app.txDecoder)
 	app.SetInitChainer(app.initChainer)
-	app.MountStoresIAVL(app.capKeyMainStore, app.capKeyIBCStore, app.capKeyStakingStore)
+	app.MountStore(app.capKeyMainStore, sdk.StoreTypeIAVL, dbMain)
+	app.MountStore(app.capKeyIBCStore, sdk.StoreTypeIAVL, dbIBC)
+	app.MountStore(app.capKeyStakingStore, sdk.StoreTypeIAVL, dbStaking)
+	// NOTE: Broken until #532 lands
+	//app.MountStoresIAVL(app.capKeyMainStore, app.capKeyIBCStore, app.capKeyStakingStore)
 	app.SetAnteHandler(auth.NewAnteHandler(app.accountMapper))
-	err := app.LoadLatestVersion(app.capKeyMainStore)
+	err = app.LoadLatestVersion(app.capKeyMainStore)
 	if err != nil {
 		cmn.Exit(err.Error())
 	}

examples/kvstore/main.go

@@ -30,7 +30,7 @@ func main() {
 	var baseApp = bam.NewBaseApp("kvstore", logger, db)
 
 	// Set mounts for BaseApp's MultiStore.
-	baseApp.MountStore(capKeyMainStore, sdk.StoreTypeIAVL)
+	baseApp.MountStoresIAVL(capKeyMainStore)
 
 	// Set Tx decoder
 	baseApp.SetTxDecoder(decodeTx)