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calculate dust threshold for multiple outputs

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This commit is contained in:
Craig Raw 2020-10-20 10:55:25 +02:00
parent 8b07336d71
commit c4f5218f29
1 changed files with 8 additions and 6 deletions
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14
src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
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@ -361,25 +361,27 @@ public class Wallet {
/** /**
* Determines the fee for a transaction from this wallet that has one output and no inputs * Determines the fee for a transaction from this wallet that has one output and no inputs
* *
* @param recipientAddress The address to create the output to send to * @param payments The payment details to create the output to send to
* @return The determined fee * @return The determined fee
*/ */
public long getNoInputsFee(Address recipientAddress, Double feeRate) { public long getNoInputsFee(List<Payment> payments, Double feeRate) {
return (long)Math.ceil((double)getNoInputsWeightUnits(recipientAddress) * feeRate / (double)WITNESS_SCALE_FACTOR); return (long)Math.ceil((double)getNoInputsWeightUnits(payments) * feeRate / (double)WITNESS_SCALE_FACTOR);
} }
/** /**
* Determines the weight units for a transaction from this wallet that has one output and no inputs * Determines the weight units for a transaction from this wallet that has one output and no inputs
* *
* @param recipientAddress The address to create the output to send to * @param payments The payment details to create the output to send to
* @return The determined weight units * @return The determined weight units
*/ */
public int getNoInputsWeightUnits(Address recipientAddress) { public int getNoInputsWeightUnits(List<Payment> payments) {
Transaction transaction = new Transaction(); Transaction transaction = new Transaction();
if(Arrays.asList(ScriptType.WITNESS_TYPES).contains(getScriptType())) { if(Arrays.asList(ScriptType.WITNESS_TYPES).contains(getScriptType())) {
transaction.setSegwitVersion(0); transaction.setSegwitVersion(0);
} }
transaction.addOutput(1L, recipientAddress); for(Payment payment : payments) {
transaction.addOutput(payment.getAmount(), payment.getAddress());
}
return transaction.getWeightUnits(); return transaction.getWeightUnits();
} }