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Add Wallet.reset() to prepare the wallet for a blockchain replay.

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This commit is contained in:
Andreas Schildbach 2014-12-23 23:04:57 +01:00
parent e77089f739
commit 4d3297d334
2 changed files with 30 additions and 6 deletions
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33
core/src/main/java/org/bitcoinj/core/Wallet.java
View File

@ -2474,6 +2474,25 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
}
}
/**
* Prepares the wallet for a blockchain replay. Removes all transactions (as they would get in the way of the
* replay) and makes the wallet think it has never seen a block. {@link WalletEventListener#onWalletChanged()} will
* be fired.
*/
public void reset() {
lock.lock();
try {
clearTransactions();
lastBlockSeenHash = null;
lastBlockSeenHeight = -1; // Magic value for 'never'.
lastBlockSeenTimeSecs = 0;
saveLater();
maybeQueueOnWalletChanged();
} finally {
lock.unlock();
}
}
/**
* Deletes transactions which appeared above the given block height from the wallet, but does not touch the keys.
* This is useful if you have some keys and wish to replay the block chain into the wallet in order to pick them up.
@ -2483,11 +2502,7 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
lock.lock();
try {
if (fromHeight == 0) {
unspent.clear();
spent.clear();
pending.clear();
dead.clear();
transactions.clear();
clearTransactions();
saveLater();
} else {
throw new UnsupportedOperationException();
@ -2497,6 +2512,14 @@ public class Wallet extends BaseTaggableObject implements Serializable, BlockCha
}
}
private void clearTransactions() {
unspent.clear();
spent.clear();
pending.clear();
dead.clear();
transactions.clear();
}
/**
* Returns all the outputs that match addresses or scripts added via {@link #addWatchedAddress(Address)} or
* {@link #addWatchedScripts(java.util.List)}.

3
core/src/main/java/org/bitcoinj/core/WalletEventListener.java
View File

@ -107,7 +107,8 @@ public interface WalletEventListener extends KeyChainEventListener {
* <li>A pending transaction changes confidence due to some non-new-block related event, such as being
* announced by more peers or by a double-spend conflict being observed.</li>
* <li>A re-organize occurs. Call occurs only if the re-org modified any of our transactions.</li>
* <li>A new spend is committed to the wallet</li>
* <li>A new spend is committed to the wallet.</li>
* <li>The wallet is reset and all transactions removed.<li>
* </ol>
*
* <p>When this is called you can refresh the UI contents from the wallet contents. It's more efficient to use