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ForwardingService: check existing forwardingCoinSelector() precondition

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Check `parentTxId != null`.
This commit is contained in:
Sean Gilligan 2023-08-25 14:40:35 -07:00 • committed by Andreas Schildbach
parent 0bd5ed9b9b
commit 21200c15cc
1 changed files with 1 additions and 0 deletions
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examples/src/main/java/org/bitcoinj/examples/ForwardingService.java
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@ -193,6 +193,7 @@ public class ForwardingService implements Closeable {
* @return a coin selector
*/
static CoinSelector forwardingCoinSelector(Sha256Hash parentTxId) {
Objects.requireNonNull(parentTxId);
return (target, candidates) -> candidates.stream()
.filter(output -> Objects.equals(output.getParentTransactionHash(), parentTxId))
.collect(collectingAndThen(toList(), CoinSelection::new));