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optimize utxo selection through local variable caching of wallet data reused in computation

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This commit is contained in:
Craig Raw 2022-07-07 11:08:39 +02:00
parent 1a20e0381c
commit d05ec39df7
1 changed files with 13 additions and 9 deletions
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22
src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
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@ -1206,14 +1206,15 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
private List<OutputGroup> getGroupedUtxos(List<UtxoFilter> utxoFilters, double feeRate, double longTermFeeRate, boolean groupByAddress, boolean includeSpentMempoolOutputs) {
List<OutputGroup> outputGroups = new ArrayList<>();
Map<Sha256Hash, BlockTransaction> walletTransactions = getWalletTransactions();
Map<BlockTransactionHashIndex, WalletNode> walletTxos = getWalletTxos();
for(KeyPurpose keyPurpose : getWalletKeyPurposes()) {
getGroupedUtxos(outputGroups, getNode(keyPurpose), utxoFilters, walletTransactions, feeRate, longTermFeeRate, groupByAddress, includeSpentMempoolOutputs);
getGroupedUtxos(outputGroups, getNode(keyPurpose), utxoFilters, walletTransactions, walletTxos, feeRate, longTermFeeRate, groupByAddress, includeSpentMempoolOutputs);
}
for(Wallet childWallet : getChildWallets()) {
if(childWallet.isNested()) {
for(KeyPurpose keyPurpose : childWallet.getWalletKeyPurposes()) {
childWallet.getGroupedUtxos(outputGroups, childWallet.getNode(keyPurpose), utxoFilters, walletTransactions, feeRate, longTermFeeRate, groupByAddress, includeSpentMempoolOutputs);
childWallet.getGroupedUtxos(outputGroups, childWallet.getNode(keyPurpose), utxoFilters, walletTransactions, walletTxos, feeRate, longTermFeeRate, groupByAddress, includeSpentMempoolOutputs);
}
}
}
@ -1221,7 +1222,8 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
return outputGroups;
}
private void getGroupedUtxos(List<OutputGroup> outputGroups, WalletNode purposeNode, List<UtxoFilter> utxoFilters, Map<Sha256Hash, BlockTransaction> walletTransactions, double feeRate, double longTermFeeRate, boolean groupByAddress, boolean includeSpentMempoolOutputs) {
private void getGroupedUtxos(List<OutputGroup> outputGroups, WalletNode purposeNode, List<UtxoFilter> utxoFilters, Map<Sha256Hash, BlockTransaction> walletTransactions, Map<BlockTransactionHashIndex, WalletNode> walletTxos, double feeRate, double longTermFeeRate, boolean groupByAddress, boolean includeSpentMempoolOutputs) {
int inputWeightUnits = getInputWeightUnits();
for(WalletNode addressNode : purposeNode.getChildren()) {
OutputGroup outputGroup = null;
for(BlockTransactionHashIndex utxo : addressNode.getUnspentTransactionOutputs(includeSpentMempoolOutputs)) {
@ -1231,11 +1233,11 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
}
if(outputGroup == null || !groupByAddress) {
outputGroup = new OutputGroup(addressNode.getWallet().getScriptType(), getStoredBlockHeight(), getInputWeightUnits(), feeRate, longTermFeeRate);
outputGroup = new OutputGroup(addressNode.getWallet().getScriptType(), getStoredBlockHeight(), inputWeightUnits, feeRate, longTermFeeRate);
outputGroups.add(outputGroup);
}
outputGroup.add(utxo, allInputsFromWallet(walletTransactions, utxo.getHash()));
outputGroup.add(utxo, allInputsFromWallet(walletTransactions, walletTxos, utxo.getHash()));
}
}
}
@ -1248,10 +1250,11 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
*/
public boolean allInputsFromWallet(Sha256Hash txId) {
Map<Sha256Hash, BlockTransaction> allTransactions = getWalletTransactions();
return allInputsFromWallet(allTransactions, txId);
Map<BlockTransactionHashIndex, WalletNode> allTxos = getWalletTxos();
return allInputsFromWallet(allTransactions, allTxos, txId);
}
private boolean allInputsFromWallet(Map<Sha256Hash, BlockTransaction> walletTransactions, Sha256Hash txId) {
private boolean allInputsFromWallet(Map<Sha256Hash, BlockTransaction> walletTransactions, Map<BlockTransactionHashIndex, WalletNode> walletTxos, Sha256Hash txId) {
BlockTransaction utxoBlkTx = walletTransactions.get(txId);
if(utxoBlkTx == null) {
//Provided txId was not a wallet transaction
@ -1269,7 +1272,7 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
TransactionOutput prevTxOut = prevBlkTx.getTransaction().getOutputs().get(index);
BlockTransactionHashIndex spendingTXI = new BlockTransactionHashIndex(utxoBlkTx.getHash(), utxoBlkTx.getHeight(), utxoBlkTx.getDate(), utxoBlkTx.getFee(), i, prevTxOut.getValue());
BlockTransactionHashIndex spentTXO = new BlockTransactionHashIndex(prevBlkTx.getHash(), prevBlkTx.getHeight(), prevBlkTx.getDate(), prevBlkTx.getFee(), index, prevTxOut.getValue(), spendingTXI);
if(!isWalletTxo(spentTXO)) {
if(!walletTxos.containsKey(spentTXO)) {
return false;
}
}
@ -1287,9 +1290,10 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
public long getMaxSpendable(List<Address> paymentAddresses, double feeRate, boolean includeSpentMempoolOutputs) {
long maxInputValue = 0;
Map<Wallet, Integer> cachedInputWeightUnits = new HashMap<>();
Transaction transaction = new Transaction();
for(Map.Entry<BlockTransactionHashIndex, WalletNode> utxo : getWalletUtxos(includeSpentMempoolOutputs).entrySet()) {
int inputWeightUnits = utxo.getValue().getWallet().getInputWeightUnits();
int inputWeightUnits = cachedInputWeightUnits.computeIfAbsent(utxo.getValue().getWallet(), Wallet::getInputWeightUnits);
long minInputValue = (long)Math.ceil(feeRate * inputWeightUnits / WITNESS_SCALE_FACTOR);
if(utxo.getKey().getValue() > minInputValue) {
Transaction prevTx = getWalletTransaction(utxo.getKey().getHash()).getTransaction();