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handle user defined fee amount better by requiring a fee rate of 1 sat/vb for utxo selectors

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This commit is contained in:
Craig Raw 2021-04-26 14:40:11 +02:00
parent b5b384f5da
commit 40faaec31e
3 changed files with 18 additions and 10 deletions
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2
drongo

@ -1 +1 @@
Subproject commit db05e09fe54d80d611153cc4326d83cc91359ffa
Subproject commit db9617ee10383bb78e71ec2252d92bb7fe639440

2
src/main/java/com/sparrowwallet/sparrow/wallet/PaymentController.java
View file

@ -219,7 +219,7 @@ public class PaymentController extends WalletFormController implements Initializ
}
TransactionOutput txOutput = new TransactionOutput(new Transaction(), 1L, address.getOutputScript());
return address.getScriptType().getDustThreshold(txOutput, sendController.getFeeRate());
return address.getScriptType().getDustThreshold(txOutput, Transaction.DUST_RELAY_TX_FEE);
}
private void setFiatAmount(CurrencyRate currencyRate, Long amount) {

24
src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java
View file

@ -342,10 +342,6 @@ public class SendController extends WalletFormController implements Initializabl
if(userFeeSet.get()) {
setTargetBlocks(getTargetBlocks(feeRate));
setFeeRangeRate(feeRate);
if(walletTransaction.getFee() != getFeeValueSats() && feeRate > getMinimumFeeRate()) {
setFeeValueSats(walletTransaction.getFee());
}
} else {
setFeeValueSats(walletTransaction.getFee());
}
@ -483,17 +479,18 @@ public class SendController extends WalletFormController implements Initializabl
if(!userFeeSet.get() || (getFeeValueSats() != null && getFeeValueSats() > 0)) {
Wallet wallet = getWalletForm().getWallet();
Long userFee = userFeeSet.get() ? getFeeValueSats() : null;
double feeRate = getUserFeeRate();
Integer currentBlockHeight = AppServices.getCurrentBlockHeight();
boolean groupByAddress = Config.get().isGroupByAddress();
boolean includeMempoolOutputs = Config.get().isIncludeMempoolOutputs();
boolean includeSpentMempoolOutputs = includeSpentMempoolOutputsProperty.get();
WalletTransaction walletTransaction = wallet.createWalletTransaction(getUtxoSelectors(), getUtxoFilters(), payments, getFeeRate(), getMinimumFeeRate(), userFee, currentBlockHeight, groupByAddress, includeMempoolOutputs, includeSpentMempoolOutputs);
WalletTransaction walletTransaction = wallet.createWalletTransaction(getUtxoSelectors(), getUtxoFilters(), payments, feeRate, getMinimumFeeRate(), userFee, currentBlockHeight, groupByAddress, includeMempoolOutputs, includeSpentMempoolOutputs);
walletTransactionProperty.setValue(walletTransaction);
insufficientInputsProperty.set(false);
return;
}
} catch(InvalidAddressException | IllegalStateException e) {
} catch(InvalidAddressException | IllegalStateException | IllegalArgumentException e) {
//ignore
} catch(InsufficientFundsException e) {
insufficientInputsProperty.set(true);
@ -508,8 +505,8 @@ public class SendController extends WalletFormController implements Initializabl
}
Wallet wallet = getWalletForm().getWallet();
long noInputsFee = wallet.getNoInputsFee(getPayments(), getFeeRate());
long costOfChange = wallet.getCostOfChange(getFeeRate(), getMinimumFeeRate());
long noInputsFee = wallet.getNoInputsFee(getPayments(), getUserFeeRate());
long costOfChange = wallet.getCostOfChange(getUserFeeRate(), getMinimumFeeRate());
return List.of(new BnBUtxoSelector(noInputsFee, costOfChange), new KnapsackUtxoSelector(noInputsFee));
}
@ -619,6 +616,17 @@ public class SendController extends WalletFormController implements Initializabl
feeRange.valueProperty().addListener(feeRangeListener);
}
/**
* This method retrieves the fee rate used as input to constructing the transaction.
* Where the user has set a custom fee amount, using the slider fee rate can mean the UTXO selectors underestimate the UTXO effective values and fail to find a solution
* In this case, use a fee rate of 1 sat/VB for maximum flexibility
*
* @return the fee rate to use when constructing a transaction
*/
public Double getUserFeeRate() {
return (userFeeSet.get() ? Transaction.DEFAULT_MIN_RELAY_FEE : getFeeRate());
}
public Double getFeeRate() {
if(targetBlocksField.isVisible()) {
return getTargetBlocksFeeRates().get(getTargetBlocks());