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support rolling backup of multisig wallets

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This commit is contained in:
woodser 2022-06-28 10:34:20 -04:00
parent f17c5803b5
commit c28108a4b6
4 changed files with 45 additions and 21 deletions
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3
common/src/main/java/bisq/common/crypto/KeyStorage.java
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@ -18,7 +18,7 @@
package bisq.common.crypto;
import bisq.common.config.Config;
import bisq.common.file.FileUtil;
import com.google.inject.Inject;
import javax.inject.Named;
@ -139,6 +139,7 @@ public class KeyStorage {
* @param secretKey The symmetric key that protects the key entry file
*/
public KeyPair loadKeyPair(KeyEntry keyEntry, SecretKey secretKey) {
FileUtil.rollingBackup(storageDir, keyEntry.getFileName() + ".key", 20);
try {
KeyFactory keyFactory = KeyFactory.getInstance(keyEntry.getAlgorithm());
byte[] encodedPrivateKey = loadKeyBytes(keyEntry, secretKey);

13
common/src/main/java/bisq/common/file/FileUtil.java
View file

@ -74,6 +74,19 @@ public class FileUtil {
}
}
public static void deleteRollingBackup(File dir, String fileName) {
File backupDir = new File(Paths.get(dir.getAbsolutePath(), "backup").toString());
if (!backupDir.exists()) throw new RuntimeException("backup directory does not exist: " + backupDir);
String dirName = "backups_" + fileName;
if (dirName.contains(".")) dirName = dirName.replace(".", "_");
File backupFileDir = new File(Paths.get(backupDir.getAbsolutePath(), dirName).toString());
try {
FileUtils.deleteDirectory(backupFileDir);
} catch (IOException e) {
e.printStackTrace();
}
}
private static void pruneBackup(File backupDir, int numMaxBackupFiles) {
if (backupDir.isDirectory()) {
File[] files = backupDir.listFiles();