Examples with TransactionOutput org.bitcoinj.core.TransactionOutput used on opensource projects

Example 1 with TransactionOutput

use of org.bitcoinj.core.TransactionOutput in project bitcoin-wallet by bitcoin-wallet.

the class SweepWalletFragment method requestWalletBalance.

private void requestWalletBalance() {
    ProgressDialogFragment.showProgress(fragmentManager, getString(R.string.sweep_wallet_fragment_request_wallet_balance_progress));
    final RequestWalletBalanceTask.ResultCallback callback = new RequestWalletBalanceTask.ResultCallback() {

        @Override
        public void onResult(final Set<UTXO> utxos) {
            ProgressDialogFragment.dismissProgress(fragmentManager);
            // Filter UTXOs we've already spent and sort the rest.
            final Set<Transaction> walletTxns = application.getWallet().getTransactions(false);
            final Set<UTXO> sortedUtxos = new TreeSet<>(UTXO_COMPARATOR);
            for (final UTXO utxo : utxos) if (!utxoSpentBy(walletTxns, utxo))
                sortedUtxos.add(utxo);
            // Fake transaction funding the wallet to sweep.
            final Map<Sha256Hash, Transaction> fakeTxns = new HashMap<>();
            for (final UTXO utxo : sortedUtxos) {
                Transaction fakeTx = fakeTxns.get(utxo.getHash());
                if (fakeTx == null) {
                    fakeTx = new FakeTransaction(Constants.NETWORK_PARAMETERS, utxo.getHash());
                    fakeTx.getConfidence().setConfidenceType(ConfidenceType.BUILDING);
                    fakeTxns.put(fakeTx.getHash(), fakeTx);
                }
                final TransactionOutput fakeOutput = new TransactionOutput(Constants.NETWORK_PARAMETERS, fakeTx, utxo.getValue(), utxo.getScript().getProgram());
                // Fill with output dummies as needed.
                while (fakeTx.getOutputs().size() < utxo.getIndex()) fakeTx.addOutput(new TransactionOutput(Constants.NETWORK_PARAMETERS, fakeTx, Coin.NEGATIVE_SATOSHI, new byte[] {}));
                // Add the actual output we will spend later.
                fakeTx.addOutput(fakeOutput);
            }
            walletToSweep.clearTransactions(0);
            for (final Transaction tx : fakeTxns.values()) walletToSweep.addWalletTransaction(new WalletTransaction(WalletTransaction.Pool.UNSPENT, tx));
            log.info("built wallet to sweep:\n{}", walletToSweep.toString(false, true, false, null));
            updateView();
        }

        private boolean utxoSpentBy(final Set<Transaction> transactions, final UTXO utxo) {
            for (final Transaction tx : transactions) {
                for (final TransactionInput input : tx.getInputs()) {
                    final TransactionOutPoint outpoint = input.getOutpoint();
                    if (outpoint.getHash().equals(utxo.getHash()) && outpoint.getIndex() == utxo.getIndex())
                        return true;
                }
            }
            return false;
        }

        @Override
        public void onFail(final int messageResId, final Object... messageArgs) {
            ProgressDialogFragment.dismissProgress(fragmentManager);
            final DialogBuilder dialog = DialogBuilder.warn(activity, R.string.sweep_wallet_fragment_request_wallet_balance_failed_title);
            dialog.setMessage(getString(messageResId, messageArgs));
            dialog.setPositiveButton(R.string.button_retry, new DialogInterface.OnClickListener() {

                @Override
                public void onClick(final DialogInterface dialog, final int which) {
                    requestWalletBalance();
                }
            });
            dialog.setNegativeButton(R.string.button_dismiss, null);
            dialog.show();
        }
    };
    final Address address = walletToSweep.getImportedKeys().iterator().next().toAddress(Constants.NETWORK_PARAMETERS);
    new RequestWalletBalanceTask(backgroundHandler, callback).requestWalletBalance(activity.getAssets(), address);
}

Example 2 with TransactionOutput

use of org.bitcoinj.core.TransactionOutput in project bitcoin-wallet by bitcoin-wallet.

the class RaiseFeeDialogFragment method doRaiseFee.

private void doRaiseFee(final KeyParameter encryptionKey) {
    // construct child-pays-for-parent
    final TransactionOutput outputToSpend = checkNotNull(findSpendableOutput(wallet, transaction, feeRaise));
    final Transaction transactionToSend = new Transaction(Constants.NETWORK_PARAMETERS);
    transactionToSend.addInput(outputToSpend);
    transactionToSend.addOutput(outputToSpend.getValue().subtract(feeRaise), wallet.freshAddress(KeyPurpose.CHANGE));
    transactionToSend.setPurpose(Transaction.Purpose.RAISE_FEE);
    final SendRequest sendRequest = SendRequest.forTx(transactionToSend);
    sendRequest.aesKey = encryptionKey;
    try {
        wallet.signTransaction(sendRequest);
        log.info("raise fee: cpfp {}", transactionToSend);
        wallet.commitTx(transactionToSend);
        BlockchainService.broadcastTransaction(activity, transactionToSend);
        state = State.DONE;
        updateView();
        dismiss();
    } catch (final KeyCrypterException x) {
        badPasswordView.setVisibility(View.VISIBLE);
        state = State.INPUT;
        updateView();
        passwordView.requestFocus();
        log.info("raise fee: bad spending password");
    }
}

Example 3 with TransactionOutput

use of org.bitcoinj.core.TransactionOutput in project bitcoin-wallet by bitcoin-wallet.

the class ReportIssueDialogFragment method appendApplicationInfo.

private static void appendApplicationInfo(final Appendable report, final WalletApplication application) throws IOException {
    final PackageInfo pi = application.packageInfo();
    final Configuration configuration = application.getConfiguration();
    final Calendar calendar = new GregorianCalendar(UTC);
    report.append("Version: " + pi.versionName + " (" + pi.versionCode + ")\n");
    report.append("Package: " + pi.packageName + "\n");
    report.append("Installer: " + application.getPackageManager().getInstallerPackageName(pi.packageName) + "\n");
    report.append("Test/Prod: " + (Constants.TEST ? "test" : "prod") + "\n");
    report.append("Timezone: " + TimeZone.getDefault().getID() + "\n");
    calendar.setTimeInMillis(System.currentTimeMillis());
    report.append("Time: " + String.format(Locale.US, "%tF %tT %tZ", calendar, calendar, calendar) + "\n");
    calendar.setTimeInMillis(WalletApplication.TIME_CREATE_APPLICATION);
    report.append("Time of launch: " + String.format(Locale.US, "%tF %tT %tZ", calendar, calendar, calendar) + "\n");
    calendar.setTimeInMillis(pi.lastUpdateTime);
    report.append("Time of last update: " + String.format(Locale.US, "%tF %tT %tZ", calendar, calendar, calendar) + "\n");
    calendar.setTimeInMillis(pi.firstInstallTime);
    report.append("Time of first install: " + String.format(Locale.US, "%tF %tT %tZ", calendar, calendar, calendar) + "\n");
    final long lastBackupTime = configuration.getLastBackupTime();
    calendar.setTimeInMillis(lastBackupTime);
    report.append("Time of backup: " + (lastBackupTime > 0 ? String.format(Locale.US, "%tF %tT %tZ", calendar, calendar, calendar) : "none") + "\n");
    report.append("Network: " + Constants.NETWORK_PARAMETERS.getId() + "\n");
    final Wallet wallet = application.getWallet();
    report.append("Encrypted: " + wallet.isEncrypted() + "\n");
    report.append("Keychain size: " + wallet.getKeyChainGroupSize() + "\n");
    final Set<Transaction> transactions = wallet.getTransactions(true);
    int numInputs = 0;
    int numOutputs = 0;
    int numSpentOutputs = 0;
    for (final Transaction tx : transactions) {
        numInputs += tx.getInputs().size();
        final List<TransactionOutput> outputs = tx.getOutputs();
        numOutputs += outputs.size();
        for (final TransactionOutput txout : outputs) {
            if (!txout.isAvailableForSpending())
                numSpentOutputs++;
        }
    }
    report.append("Transactions: " + transactions.size() + "\n");
    report.append("Inputs: " + numInputs + "\n");
    report.append("Outputs: " + numOutputs + " (spent: " + numSpentOutputs + ")\n");
    report.append("Last block seen: " + wallet.getLastBlockSeenHeight() + " (" + wallet.getLastBlockSeenHash() + ")\n");
    report.append("Databases:");
    for (final String db : application.databaseList()) report.append(" " + db);
    report.append("\n");
    final File filesDir = application.getFilesDir();
    report.append("\nContents of FilesDir " + filesDir + ":\n");
    appendDir(report, filesDir, 0);
}