prysm-pulse/beacon-chain/db/restore.go
terence 5a66807989
Update to V5 (#13622)
* First take at updating everything to v5

* Patch gRPC gateway to use prysm v5

Fix patch

* Update go ssz

---------

Co-authored-by: Preston Van Loon <pvanloon@offchainlabs.com>
2024-02-15 05:46:47 +00:00

47 lines
1.2 KiB
Go

package db
import (
"os"
"path"
"strings"
"github.com/pkg/errors"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/db/kv"
"github.com/prysmaticlabs/prysm/v5/cmd"
"github.com/prysmaticlabs/prysm/v5/io/file"
"github.com/prysmaticlabs/prysm/v5/io/prompt"
"github.com/urfave/cli/v2"
)
const dbExistsYesNoPrompt = "A database file already exists in the target directory. " +
"Are you sure that you want to overwrite it? [y/n]"
// Restore a beacon chain database.
func Restore(cliCtx *cli.Context) error {
sourceFile := cliCtx.String(cmd.RestoreSourceFileFlag.Name)
targetDir := cliCtx.String(cmd.RestoreTargetDirFlag.Name)
restoreDir := path.Join(targetDir, kv.BeaconNodeDbDirName)
if file.Exists(path.Join(restoreDir, kv.DatabaseFileName)) {
resp, err := prompt.ValidatePrompt(
os.Stdin, dbExistsYesNoPrompt, prompt.ValidateYesOrNo,
)
if err != nil {
return errors.Wrap(err, "could not validate choice")
}
if strings.EqualFold(resp, "n") {
log.Info("Restore aborted")
return nil
}
}
if err := file.MkdirAll(restoreDir); err != nil {
return err
}
if err := file.CopyFile(sourceFile, path.Join(restoreDir, kv.DatabaseFileName)); err != nil {
return err
}
log.Info("Restore completed successfully")
return nil
}