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Make isAvailableForSpending and markAsUnspent public. Add JavaDocs for them. Resolves issue 193.

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This commit is contained in:
Mike Hearn 2012-05-29 23:58:31 +02:00
parent 7705bd59a4
commit adb46c7dcb
1 changed files with 14 additions and 3 deletions
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17
core/src/main/java/com/google/bitcoin/core/TransactionOutput.java
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@ -162,8 +162,9 @@ public class TransactionOutput extends ChildMessage implements Serializable {
} }
/** /**
* Sets this objects availableToSpend flag to false and the spentBy pointer to the given input. * Sets this objects availableForSpending flag to false and the spentBy pointer to the given input.
* If the input is null, it means this output was signed over to somebody else rather than one of our own keys. * If the input is null, it means this output was signed over to somebody else rather than one of our own keys.
* @throws IllegalStateException if the transaction was already marked as spent.
*/ */
public void markAsSpent(TransactionInput input) { public void markAsSpent(TransactionInput input) {
checkState(availableForSpending); checkState(availableForSpending);
@ -171,12 +172,22 @@ public class TransactionOutput extends ChildMessage implements Serializable {
spentBy = input; spentBy = input;
} }
void markAsUnspent() { /**
* Resets the spent pointer / availableForSpending flag to null.
*/
public void markAsUnspent() {
availableForSpending = true; availableForSpending = true;
spentBy = null; spentBy = null;
} }
boolean isAvailableForSpending() { /**
* Returns whether {@link TransactionOutput#markAsSpent(TransactionInput)} has been called on this class. A
* {@link Wallet} will mark a transaction output as spent once it sees a transaction input that is connected to it.
* Note that this flag can be false when an output has in fact been spent according to the rest of the network if
* the spending transaction wasn't downloaded yet, and it can be marked as spent when in reality the rest of the
* network believes it to be unspent if the signature or script connecting to it was not actually valid.
*/
public boolean isAvailableForSpending() {
return availableForSpending; return availableForSpending;
} }