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);
}
public void changePasscode(KeyParameter oldAesKey, KeyCrypter keyCrypter, KeyParameter aesKey) {
mLogger.info("changePasscode starting");
// Change the parameters on our HDWallet.
mHDWallet.setPersistCrypter(keyCrypter, aesKey);
mHDWallet.persist(mApp);
mLogger.info("persisted HD wallet");
// Decrypt the wallet with the old key.
mKit.wallet().decrypt(oldAesKey);
mLogger.info("decrypted base wallet");
// Encrypt the wallet using the new key.
mKit.wallet().encrypt(keyCrypter, aesKey);
mLogger.info("reencrypted base wallet");
}
@Override
public void onWalletChanged(Wallet wallet) {
// Compute balances and transaction counts.
Iterable<WalletTransaction> iwt = mKit.wallet().getWalletTransactions();
mHDWallet.applyAllTransactions(iwt);
// Check to make sure we have sufficient margins.
int maxExtended = mHDWallet.ensureMargins(mKit.wallet());
// Persist the new state.
mHDWallet.persist(mApp);
Intent intent = new Intent("wallet-state-changed");
mLBM.sendBroadcast(intent);
if (maxExtended > HDChain.maxSafeExtend()) {
mLogger.info(String.format("%d addresses added, rescanning", maxExtended));
rescanBlockchain(HDAddress.EPOCH);
}
}
public void addAccount() {
mLogger.info("add account");
// Make sure we are in a good state for this.
if (mState != State.READY) {
mLogger.warn("can't add an account until the wallet is ready");
return;
}
mHDWallet.addAccount();
mHDWallet.ensureMargins(mKit.wallet());
// Set the new keys creation time to now.
long now = Utils.now().getTime() / 1000;
// Adding all the keys is overkill, but it is simpler for now.
ArrayList<ECKey> keys = new ArrayList<ECKey>();
mHDWallet.gatherAllKeys(now, keys);
mLogger.info(String.format("adding %d keys", keys.size()));
mKit.wallet().addKeys(keys);
mHDWallet.persist(mApp);
}
public void persist() {
mHDWallet.persist(mApp);
}