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support creating a transaction excluding the provided change addresses

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This commit is contained in:
Craig Raw 2021-05-17 13:20:43 +02:00
parent 7dca0d0c39
commit 567294a4b0
1 changed files with 4 additions and 1 deletions
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src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
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@ -469,7 +469,7 @@ public class Wallet {
return getFee(changeOutput, feeRate, longTermFeeRate);
}
public WalletTransaction createWalletTransaction(List<UtxoSelector> utxoSelectors, List<UtxoFilter> utxoFilters, List<Payment> payments, double feeRate, double longTermFeeRate, Long fee, Integer currentBlockHeight, boolean groupByAddress, boolean includeMempoolOutputs, boolean includeSpentMempoolOutputs) throws InsufficientFundsException {
public WalletTransaction createWalletTransaction(List<UtxoSelector> utxoSelectors, List<UtxoFilter> utxoFilters, List<Payment> payments, List<WalletNode> excludedChangeNodes, double feeRate, double longTermFeeRate, Long fee, Integer currentBlockHeight, boolean groupByAddress, boolean includeMempoolOutputs, boolean includeSpentMempoolOutputs) throws InsufficientFundsException {
boolean sendMax = payments.stream().anyMatch(Payment::isSendMax);
long totalPaymentAmount = payments.stream().map(Payment::getAmount).mapToLong(v -> v).sum();
long totalUtxoValue = getWalletUtxos().keySet().stream().mapToLong(BlockTransactionHashIndex::getValue).sum();
@ -556,6 +556,9 @@ public class Wallet {
if(changeAmt > costOfChangeAmt) {
//Change output is required, determine new fee once change output has been added
WalletNode changeNode = getFreshNode(KeyPurpose.CHANGE);
while(excludedChangeNodes.contains(changeNode)) {
changeNode = getFreshNode(KeyPurpose.CHANGE, changeNode);
}
TransactionOutput changeOutput = new TransactionOutput(transaction, changeAmt, getOutputScript(changeNode));
double changeVSize = noChangeVSize + changeOutput.getLength();
long changeFeeRequiredAmt = (fee == null ? (long)Math.floor(feeRate * changeVSize) : fee);