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doMaintenance: don't trigger signing if bool param is false, as an optimisation.

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This commit is contained in:
Mike Hearn 2014-10-22 22:13:05 +02:00
parent afb05867a9
commit d2ea42bfce
1 changed files with 9 additions and 8 deletions
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15
core/src/main/java/org/bitcoinj/core/Wallet.java
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@ -4313,16 +4313,16 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
* in which case an exception will be thrown. * in which case an exception will be thrown.
* *
* @param aesKey the users password, if any. * @param aesKey the users password, if any.
* @param andSend if true, send the transactions via the tx broadcaster and return them, if false just return them. * @param signAndSend if true, send the transactions via the tx broadcaster and return them, if false just return them.
* @return A list of transactions that the wallet just made/will make for internal maintenance. Might be empty. * @return A list of transactions that the wallet just made/will make for internal maintenance. Might be empty.
* @throws org.bitcoinj.wallet.DeterministicUpgradeRequiresPassword if key rotation requires the users password. * @throws org.bitcoinj.wallet.DeterministicUpgradeRequiresPassword if key rotation requires the users password.
*/ */
public ListenableFuture<List<Transaction>> doMaintenance(@Nullable KeyParameter aesKey, boolean andSend) throws DeterministicUpgradeRequiresPassword { public ListenableFuture<List<Transaction>> doMaintenance(@Nullable KeyParameter aesKey, boolean signAndSend) throws DeterministicUpgradeRequiresPassword {
List<Transaction> txns; List<Transaction> txns;
lock.lock(); lock.lock();
try { try {
txns = maybeRotateKeys(aesKey); txns = maybeRotateKeys(aesKey, signAndSend);
if (!andSend) if (!signAndSend)
return Futures.immediateFuture(txns); return Futures.immediateFuture(txns);
} finally { } finally {
lock.unlock(); lock.unlock();
@ -4353,7 +4353,7 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
} }
// Checks to see if any coins are controlled by rotating keys and if so, spends them. // Checks to see if any coins are controlled by rotating keys and if so, spends them.
private List<Transaction> maybeRotateKeys(@Nullable KeyParameter aesKey) throws DeterministicUpgradeRequiresPassword { private List<Transaction> maybeRotateKeys(@Nullable KeyParameter aesKey, boolean sign) throws DeterministicUpgradeRequiresPassword {
checkState(lock.isHeldByCurrentThread()); checkState(lock.isHeldByCurrentThread());
List<Transaction> results = Lists.newLinkedList(); List<Transaction> results = Lists.newLinkedList();
// TODO: Handle chain replays here. // TODO: Handle chain replays here.
@ -4389,14 +4389,14 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
// fully done, at least for now (we may still get more transactions later and this method will be reinvoked). // fully done, at least for now (we may still get more transactions later and this method will be reinvoked).
Transaction tx; Transaction tx;
do { do {
tx = rekeyOneBatch(keyRotationTimestamp, aesKey, results); tx = rekeyOneBatch(keyRotationTimestamp, aesKey, results, sign);
if (tx != null) results.add(tx); if (tx != null) results.add(tx);
} while (tx != null && tx.getInputs().size() == KeyTimeCoinSelector.MAX_SIMULTANEOUS_INPUTS); } while (tx != null && tx.getInputs().size() == KeyTimeCoinSelector.MAX_SIMULTANEOUS_INPUTS);
return results; return results;
} }
@Nullable @Nullable
private Transaction rekeyOneBatch(long timeSecs, @Nullable KeyParameter aesKey, List<Transaction> others) { private Transaction rekeyOneBatch(long timeSecs, @Nullable KeyParameter aesKey, List<Transaction> others, boolean sign) {
lock.lock(); lock.lock();
try { try {
// Build the transaction using some custom logic for our special needs. Last parameter to // Build the transaction using some custom logic for our special needs. Last parameter to
@ -4428,6 +4428,7 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
rekeyTx.setPurpose(Transaction.Purpose.KEY_ROTATION); rekeyTx.setPurpose(Transaction.Purpose.KEY_ROTATION);
SendRequest req = SendRequest.forTx(rekeyTx); SendRequest req = SendRequest.forTx(rekeyTx);
req.aesKey = aesKey; req.aesKey = aesKey;
if (sign)
signTransaction(req); signTransaction(req);
// KeyTimeCoinSelector should never select enough inputs to push us oversize. // KeyTimeCoinSelector should never select enough inputs to push us oversize.
checkState(rekeyTx.bitcoinSerialize().length < Transaction.MAX_STANDARD_TX_SIZE); checkState(rekeyTx.bitcoinSerialize().length < Transaction.MAX_STANDARD_TX_SIZE);