Examples with WalletProtobufSerializer org.bitcoinj.wallet.WalletProtobufSerializer used on opensource projects

Example 1 with WalletProtobufSerializer

use of org.bitcoinj.wallet.WalletProtobufSerializer in project bitcoin-wallet by bitcoin-wallet.

the class BackupWalletDialogFragment method onActivityResult.

@Override
public void onActivityResult(final int requestCode, final int resultCode, final Intent intent) {
    if (requestCode == REQUEST_CODE_CREATE_DOCUMENT) {
        if (resultCode == Activity.RESULT_OK) {
            final Uri targetUri = intent.getData();
            final String password = passwordView.getText().toString().trim();
            checkState(!password.isEmpty());
            wipePasswords();
            dismiss();
            final Protos.Wallet walletProto = new WalletProtobufSerializer().walletToProto(wallet);
            try (final Writer cipherOut = new OutputStreamWriter(activity.getContentResolver().openOutputStream(targetUri), StandardCharsets.UTF_8)) {
                final ByteArrayOutputStream baos = new ByteArrayOutputStream();
                walletProto.writeTo(baos);
                baos.close();
                final byte[] plainBytes = baos.toByteArray();
                cipherOut.write(Crypto.encrypt(plainBytes, password.toCharArray()));
                cipherOut.flush();
                final String target = uriToTarget(targetUri);
                log.info("backed up wallet to: '" + targetUri + "'" + (target != null ? " (" + target + ")" : ""));
                final DialogBuilder dialog = new DialogBuilder(activity);
                dialog.setTitle(R.string.export_keys_dialog_title);
                dialog.setMessage(Html.fromHtml(getString(R.string.export_keys_dialog_success, target != null ? target : targetUri)));
                dialog.singleDismissButton(null);
                dialog.show();
                application.getConfiguration().disarmBackupReminder();
            } catch (final IOException x) {
                log.error("problem backing up wallet", x);
                final DialogBuilder dialog = DialogBuilder.warn(activity, R.string.import_export_keys_dialog_failure_title);
                dialog.setMessage(getString(R.string.export_keys_dialog_failure, x.getMessage()));
                dialog.singleDismissButton(null);
                dialog.show();
            }
        } else if (resultCode == Activity.RESULT_CANCELED) {
            log.info("cancelled backing up wallet");
            passwordView.setEnabled(true);
            passwordAgainView.setEnabled(true);
        }
    } else {
        super.onActivityResult(requestCode, resultCode, intent);
    }
}

Example 2 with WalletProtobufSerializer

use of org.bitcoinj.wallet.WalletProtobufSerializer in project bitcoin-wallet by bitcoin-wallet.

the class WalletApplication method loadWalletFromProtobuf.

private void loadWalletFromProtobuf() {
    if (walletFile.exists()) {
        try (final FileInputStream walletStream = new FileInputStream(walletFile)) {
            final Stopwatch watch = Stopwatch.createStarted();
            wallet = new WalletProtobufSerializer().readWallet(walletStream);
            watch.stop();
            if (!wallet.getParams().equals(Constants.NETWORK_PARAMETERS))
                throw new UnreadableWalletException("bad wallet network parameters: " + wallet.getParams().getId());
            log.info("wallet loaded from: '{}', took {}", walletFile, watch);
        } catch (final IOException | UnreadableWalletException x) {
            log.error("problem loading wallet", x);
            Toast.makeText(WalletApplication.this, x.getClass().getName(), Toast.LENGTH_LONG).show();
            wallet = restoreWalletFromBackup();
        }
        if (!wallet.isConsistent()) {
            Toast.makeText(this, "inconsistent wallet: " + walletFile, Toast.LENGTH_LONG).show();
            wallet = restoreWalletFromBackup();
        }
        if (!wallet.getParams().equals(Constants.NETWORK_PARAMETERS))
            throw new Error("bad wallet network parameters: " + wallet.getParams().getId());
    } else {
        final Stopwatch watch = Stopwatch.createStarted();
        wallet = new Wallet(Constants.NETWORK_PARAMETERS);
        saveWallet();
        backupWallet();
        watch.stop();
        log.info("fresh wallet created, took {}", watch);
        config.armBackupReminder();
    }
}

Example 3 with WalletProtobufSerializer

use of org.bitcoinj.wallet.WalletProtobufSerializer in project bitcoin-wallet by bitcoin-wallet.

the class WalletApplication method restoreWalletFromBackup.

private Wallet restoreWalletFromBackup() {
    try (final InputStream is = openFileInput(Constants.Files.WALLET_KEY_BACKUP_PROTOBUF)) {
        final Wallet wallet = new WalletProtobufSerializer().readWallet(is, true, null);
        if (!wallet.isConsistent())
            throw new Error("inconsistent backup");
        BlockchainService.resetBlockchain(this);
        Toast.makeText(this, R.string.toast_wallet_reset, Toast.LENGTH_LONG).show();
        log.info("wallet restored from backup: '" + Constants.Files.WALLET_KEY_BACKUP_PROTOBUF + "'");
        return wallet;
    } catch (final IOException | UnreadableWalletException x) {
        throw new Error("cannot read backup", x);
    }
}

Example 4 with WalletProtobufSerializer

use of org.bitcoinj.wallet.WalletProtobufSerializer in project bitcoin-wallet by bitcoin-wallet.

the class WalletApplication method backupWallet.

public void backupWallet() {
    final Stopwatch watch = Stopwatch.createStarted();
    final Protos.Wallet.Builder builder = new WalletProtobufSerializer().walletToProto(wallet).toBuilder();
    // strip redundant
    builder.clearTransaction();
    builder.clearLastSeenBlockHash();
    builder.setLastSeenBlockHeight(-1);
    builder.clearLastSeenBlockTimeSecs();
    final Protos.Wallet walletProto = builder.build();
    try (final OutputStream os = openFileOutput(Constants.Files.WALLET_KEY_BACKUP_PROTOBUF, Context.MODE_PRIVATE)) {
        walletProto.writeTo(os);
        watch.stop();
        log.info("wallet backed up to: '{}', took {}", Constants.Files.WALLET_KEY_BACKUP_PROTOBUF, watch);
    } catch (final IOException x) {
        log.error("problem writing wallet backup", x);
    }
}

Example 5 with WalletProtobufSerializer

use of org.bitcoinj.wallet.WalletProtobufSerializer in project bisq-core by bisq-network.

the class WalletConfig method loadWallet.

private Wallet loadWallet(File walletFile, boolean shouldReplayWallet, boolean useBitcoinDeterministicKeyChain) throws Exception {
    Wallet wallet;
    try (FileInputStream walletStream = new FileInputStream(walletFile)) {
        List<WalletExtension> extensions = provideWalletExtensions();
        WalletExtension[] extArray = extensions.toArray(new WalletExtension[extensions.size()]);
        Protos.Wallet proto = WalletProtobufSerializer.parseToProto(walletStream);
        final WalletProtobufSerializer serializer;
        if (walletFactory != null)
            serializer = new WalletProtobufSerializer(walletFactory);
        else
            serializer = new WalletProtobufSerializer();
        serializer.setKeyChainFactory(new BisqKeyChainFactory(useBitcoinDeterministicKeyChain));
        wallet = serializer.readWallet(params, extArray, proto);
        if (shouldReplayWallet)
            wallet.reset();
    }
    return wallet;
}