blockchain-kit-sdk/com.cramium.blockchain.kit.storage.backup/BackupServiceModule

BackupServiceModule

class BackupServiceModule

Flutter submodule for backup and restore operations.

Provides:

Create backups with multiple wrappers (PRF, PIN, Password, Guardian)
Restore from backups with explicit unlock strategy
Get backup metadata (without decryption)
Add/remove wrappers from existing backup
Export/import backup files
System backup status

Types

object Companion

Functions

suspend fun addWrapper(wrapper: FlutterWrapperConfig): Result<BackupResult>

Add a new wrapper to an existing backup. The existing backup data is NOT re-encrypted - only a new DEK wrap is added.

suspend fun createBackup(groupId: String, wrappers: List<FlutterWrapperConfig>, storageLocations: List<StorageLocation> = listOf(StorageLocation.CLOUD)): Result<BackupResult>

Create a new backup with specified wrappers.

suspend fun deleteBackup(): Result<Boolean>

Delete the backup file.

exportToDownloads

suspend fun exportToDownloads(): Result<String>

Export the backup file to the device's Downloads folder.

suspend fun getBackupInfo(): Result<BackupInfo>

Get backup metadata without decryption.

suspend fun hasBackup(): Result<Boolean>

Check if a backup exists.

suspend fun importFromFile(filePath: String): Result<Boolean>

Import a backup file from an external path.

isExportSupported

suspend fun isExportSupported(): Result<Boolean>

Check if backup export is supported on this platform. Export is supported when using LocalFileBackupProvider.

isSystemBackupEnabled

suspend fun isSystemBackupEnabled(): Result<Boolean>

Check if system backup (iCloud/Google Backup) is enabled.

openSystemBackupSettings

suspend fun openSystemBackupSettings(): Result<Boolean>

Open system backup settings (iOS Settings / Android Backup).

suspend fun removeWrapper(wrapId: String): Result<BackupResult>

Remove a wrapper from an existing backup.

suspend fun restore(strategy: FlutterUnlockStrategy, fromLocation: StorageLocation? = null): Result<List<WalletRestoreResult>>

Restore wallet(s) from backup using the specified unlock strategy.