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support adding op return data when creating wallet transactions

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This commit is contained in:
Craig Raw 2021-10-22 11:00:51 +02:00
parent 57290a20a1
commit eb49c97133
1 changed files with 6 additions and 1 deletions
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7
src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
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@ -665,7 +665,7 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
return getFee(changeOutput, feeRate, longTermFeeRate);
}
public WalletTransaction createWalletTransaction(List<UtxoSelector> utxoSelectors, List<UtxoFilter> utxoFilters, List<Payment> payments, Set<WalletNode> excludedChangeNodes, 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<byte[]> opReturns, Set<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();
@ -728,6 +728,11 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
transaction.addOutput(payment.getAmount(), payment.getAddress());
}
//Add OP_RETURNs
for(byte[] opReturn : opReturns) {
transaction.addOutput(0L, new Script(List.of(ScriptChunk.fromOpcode(ScriptOpCodes.OP_RETURN), ScriptChunk.fromData(opReturn))));
}
double noChangeVSize = transaction.getVirtualSize();
long noChangeFeeRequiredAmt = (fee == null ? (long)Math.floor(feeRate * noChangeVSize) : fee);