feat: add local snapshots management commands (#16067)

Co-authored-by: Marko <marbar3778@yahoo.com>

server/types/app.go

@@ -5,6 +5,7 @@ import (
 	"io"
 
 	"cosmossdk.io/log"
+	"cosmossdk.io/store/snapshots"
 	storetypes "cosmossdk.io/store/types"
 	abci "github.com/cometbft/cometbft/abci/types"
 	cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
@@ -54,6 +55,9 @@ type (
 
 		// CommitMultiStore return the multistore instance
 		CommitMultiStore() storetypes.CommitMultiStore
+
+		// Return the snapshot manager
+		SnapshotManager() *snapshots.Manager
 	}
 
 	// AppCreator is a function that allows us to lazily initialize an

server/util.go

@@ -469,16 +469,7 @@ func DefaultBaseappOptions(appOpts types.AppOptions) []func(*baseapp.BaseApp) {
 		chainID = appGenesis.ChainID
 	}
 
-	snapshotDir := filepath.Join(homeDir, "data", "snapshots")
-	if err = os.MkdirAll(snapshotDir, os.ModePerm); err != nil {
-		panic(fmt.Errorf("failed to create snapshots directory: %w", err))
-	}
-
-	snapshotDB, err := dbm.NewDB("metadata", GetAppDBBackend(appOpts), snapshotDir)
-	if err != nil {
-		panic(err)
-	}
-	snapshotStore, err := snapshots.NewStore(snapshotDB, snapshotDir)
+	snapshotStore, err := GetSnapshotStore(appOpts)
 	if err != nil {
 		panic(err)
 	}
@@ -514,3 +505,22 @@ func DefaultBaseappOptions(appOpts types.AppOptions) []func(*baseapp.BaseApp) {
 		baseapp.SetChainID(chainID),
 	}
 }
+
+func GetSnapshotStore(appOpts types.AppOptions) (*snapshots.Store, error) {
+	homeDir := cast.ToString(appOpts.Get(flags.FlagHome))
+	snapshotDir := filepath.Join(homeDir, "data", "snapshots")
+	if err := os.MkdirAll(snapshotDir, os.ModePerm); err != nil {
+		return nil, fmt.Errorf("failed to create snapshots directory: %w", err)
+	}
+
+	snapshotDB, err := dbm.NewDB("metadata", GetAppDBBackend(appOpts), snapshotDir)
+	if err != nil {
+		return nil, err
+	}
+	snapshotStore, err := snapshots.NewStore(snapshotDB, snapshotDir)
+	if err != nil {
+		return nil, err
+	}
+
+	return snapshotStore, nil
+}