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Split some selection logic into a static method of DefaultCoinSelector. Resolves issue 322.

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This commit is contained in:
Mike Hearn 2013-03-06 12:13:34 +01:00
parent 27a49655fb
commit e57068451d
1 changed files with 20 additions and 15 deletions
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25
core/src/main/java/com/google/bitcoin/core/Wallet.java
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@ -244,6 +244,17 @@ public class Wallet implements Serializable, BlockChainListener {
// bit over (excessive value will be change).
for (TransactionOutput output : sortedOutputs) {
if (total >= target) break;
// Only pick chain-included transactions, or transactions that are ours and pending.
if (!isSelectable(output)) continue;
selected.add(output);
total += output.getValue().longValue();
}
// Total may be lower than target here, if the given candidates were insufficient to create to requested
// transaction.
return new CoinSelection(BigInteger.valueOf(total), selected);
}
public static boolean isSelectable(TransactionOutput output) {
// Only pick chain-included transactions, or transactions that are ours and pending.
TransactionConfidence confidence = output.parentTransaction.getConfidence();
ConfidenceType type = confidence.getConfidenceType();
@ -252,19 +263,14 @@ public class Wallet implements Serializable, BlockChainListener {
boolean confirmed = type.equals(ConfidenceType.BUILDING);
if (!confirmed) {
// If the transaction is still pending ...
if (!pending) continue;
if (!pending) return false;
// And it was created by us ...
if (!confidence.getSource().equals(TransactionConfidence.Source.SELF)) continue;
if (!confidence.getSource().equals(TransactionConfidence.Source.SELF)) return false;
// And it's been seen by the network and propagated ...
if (confidence.numBroadcastPeers() <= 1) continue;
if (confidence.numBroadcastPeers() <= 1) return false;
// Then it's OK to select.
}
selected.add(output);
total += output.getValue().longValue();
}
// Total may be lower than target here, if the given candidates were insufficient to create to requested
// transaction.
return new CoinSelection(BigInteger.valueOf(total), selected);
return true;
}
}
@ -570,7 +576,6 @@ public class Wallet implements Serializable, BlockChainListener {
* @param delayTime How many time units to wait until saving the wallet on a background thread.
* @param timeUnit the unit of measurement for delayTime.
* @param eventListener callback to be informed when the auto-save thread does things, or null
* @throws IOException
*/
public synchronized void autosaveToFile(File f, long delayTime, TimeUnit timeUnit,
AutosaveEventListener eventListener) {