public void rescanBlockchain(long rescanTime) {
mLogger.info(String.format("RESCANNING from %d", rescanTime));
// Make sure we are in a good state for this.
if (mState != State.READY) {
mLogger.warn("can't rescan until the wallet is ready");
return;
}
switch (mSyncState) {
case SYNCHRONIZED:
mSyncState = SyncState.RESCAN;
break;
default:
mSyncState = SyncState.RERESCAN;
break;
}
// Remove our wallet event listener.
mKit.wallet().removeEventListener(mWalletListener);
// Persist and remove our HDWallet.
//
// NOTE - It's best not to clear the balances here. When the
// transactions are filling in on the transactions screen it's
// disturbing to see negative historical balances. They'll
// get completely refigured when the sync is done anyway ...
//
mHDWallet.persist(mApp);
mHDWallet = null;
mLogger.info("resetting wallet state");
mKit.wallet().clearTransactions(0);
mKit.wallet().setLastBlockSeenHeight(-1); // magic value
mKit.wallet().setLastBlockSeenHash(null);
mLogger.info("shutting kit down");
try {
mKit.shutDown();
mKit = null;
} catch (Exception ex) {
mLogger.error("kit shutdown failed: " + ex.toString());
return;
}
File dir = mApp.getWalletDir();
String spvpath = mApp.getWalletPrefix() + ".spvchain";
mLogger.info("removing spvchain file " + dir + spvpath);
File chainFile = new File(dir, spvpath);
if (!chainFile.delete()) mLogger.error("delete of spvchain file failed");
mLogger.info("restarting wallet");
mKeyCrypter = mApp.mKeyCrypter;
mAesKey = mApp.mAesKey;
setState(State.SETUP);
mTask = new SetupWalletTask();
mTask.execute(rescanTime);
}
@Override
public void onCreate() {
mNM = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
mLBM = LocalBroadcastManager.getInstance(this);
mLogger.info("WalletService created");
mApp = (WalletApplication) getApplicationContext();
mContext = getApplicationContext();
mRes = mContext.getResources();
mTimeoutWorker = Executors.newSingleThreadScheduledExecutor();
final String lockName = getPackageName() + " blockchain sync";
final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, lockName);
mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
String fiatRateSource = mPrefs.getString(SettingsActivity.KEY_FIAT_RATE_SOURCE, "");
setFiatRateSource(fiatRateSource);
// Register for future preference changes.
mPrefs.registerOnSharedPreferenceChangeListener(this);
// Register with the WalletApplication.
mApp.setWalletService(this);
}
@Override
public void onCoinsSent(
Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
BigInteger amt = prevBalance.subtract(newBalance);
final long amount = amt.longValue();
WalletApplication app = (WalletApplication) getApplicationContext();
final BTCFmt btcfmt = app.getBTCFmt();
// We allocate a new notification id for each receive.
// We use it on both the receive and confirm so it
// will replace the receive note with the confirm ...
final int noteId = ++mNoteId;
mLogger.info(String.format("showing notification send %d", amount));
showEventNotification(
noteId,
R.drawable.ic_note_bc_red_lt,
mRes.getString(R.string.wallet_service_note_sent_title, btcfmt.unitStr()),
mRes.getString(
R.string.wallet_service_note_sent_msg, btcfmt.format(amount), btcfmt.unitStr()));
final TransactionConfidence txconf = tx.getConfidence();
final TransactionConfidence.Listener listener =
new TransactionConfidence.Listener() {
@Override
public void onConfidenceChanged(Transaction tx, ChangeReason reason) {
// Wait until it's not pending anymore.
if (tx.isPending()) return;
ConfidenceType ct = tx.getConfidence().getConfidenceType();
if (ct == ConfidenceType.BUILDING) {
mLogger.info(String.format("send %d confirm", amount));
// Show no longer pending.
showEventNotification(
noteId,
R.drawable.ic_note_bc_red,
mRes.getString(R.string.wallet_service_note_scnf_title, btcfmt.unitStr()),
mRes.getString(
R.string.wallet_service_note_scnf_msg,
btcfmt.format(amount),
btcfmt.unitStr()));
} else if (ct == ConfidenceType.DEAD) {
mLogger.info(String.format("send %d dead", amount));
// Notify dead.
showEventNotification(
noteId,
R.drawable.ic_note_bc_gray,
mRes.getString(R.string.wallet_service_note_sdead_title, btcfmt.unitStr()),
mRes.getString(
R.string.wallet_service_note_sdead_msg,
btcfmt.format(amount),
btcfmt.unitStr()));
} else {
mLogger.info(String.format("send %d unknown", amount));
}
// We're all done listening ...
txconf.removeEventListener(this);
}
};
txconf.addEventListener(listener);
}