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refactor transaction history storage

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This commit is contained in:
Craig Raw 2020-06-02 09:21:35 +02:00
parent 0836273c8f
commit a6e340eef5
3 changed files with 147 additions and 59 deletions
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2
drongo

@ -1 +1 @@
Subproject commit f88e3d442357e514421b993155062f7ea8177d06 Subproject commit a25d020e54543cd48be1501f4390cff4c8daeee1

175
src/main/java/com/sparrowwallet/sparrow/io/ElectrumServer.java
View file

@ -5,11 +5,8 @@ import com.github.arteam.simplejsonrpc.client.builder.BatchRequestBuilder;
import com.google.common.net.HostAndPort; import com.google.common.net.HostAndPort;
import com.sparrowwallet.drongo.KeyPurpose; import com.sparrowwallet.drongo.KeyPurpose;
import com.sparrowwallet.drongo.Utils; import com.sparrowwallet.drongo.Utils;
import com.sparrowwallet.drongo.protocol.Sha256Hash; import com.sparrowwallet.drongo.protocol.*;
import com.sparrowwallet.drongo.protocol.Transaction; import com.sparrowwallet.drongo.wallet.*;
import com.sparrowwallet.drongo.wallet.BlockchainTransactionHash;
import com.sparrowwallet.drongo.wallet.Wallet;
import com.sparrowwallet.drongo.wallet.WalletNode;
import javafx.concurrent.Service; import javafx.concurrent.Service;
import javafx.concurrent.Task; import javafx.concurrent.Task;
import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.NotNull;
@ -64,25 +61,28 @@ public class ElectrumServer {
return serverVersion.get(1); return serverVersion.get(1);
} }
public void getHistory(Wallet wallet) throws ServerException { public Map<WalletNode, Set<BlockchainTransactionHash>> getHistory(Wallet wallet) throws ServerException {
getHistory(wallet, KeyPurpose.RECEIVE); Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap = new HashMap<>();
getHistory(wallet, KeyPurpose.CHANGE); getHistory(wallet, KeyPurpose.RECEIVE, nodeTransactionMap);
getHistory(wallet, KeyPurpose.CHANGE, nodeTransactionMap);
return nodeTransactionMap;
} }
public void getHistory(Wallet wallet, KeyPurpose keyPurpose) throws ServerException { public void getHistory(Wallet wallet, KeyPurpose keyPurpose, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) throws ServerException {
getHistory(wallet, wallet.getNode(keyPurpose).getChildren()); getHistory(wallet, wallet.getNode(keyPurpose).getChildren(), nodeTransactionMap);
getMempool(wallet, wallet.getNode(keyPurpose).getChildren()); getMempool(wallet, wallet.getNode(keyPurpose).getChildren(), nodeTransactionMap);
} }
public void getHistory(Wallet wallet, Collection<WalletNode> nodes) throws ServerException { public void getHistory(Wallet wallet, Collection<WalletNode> nodes, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) throws ServerException {
getReferences(wallet, "blockchain.scripthash.get_history", nodes); getReferences(wallet, "blockchain.scripthash.get_history", nodes, nodeTransactionMap);
} }
public void getMempool(Wallet wallet, Collection<WalletNode> nodes) throws ServerException { public void getMempool(Wallet wallet, Collection<WalletNode> nodes, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) throws ServerException {
getReferences(wallet, "blockchain.scripthash.get_mempool", nodes); getReferences(wallet, "blockchain.scripthash.get_mempool", nodes, nodeTransactionMap);
} }
public void getReferences(Wallet wallet, String method, Collection<WalletNode> nodes) throws ServerException { public void getReferences(Wallet wallet, String method, Collection<WalletNode> nodes, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) throws ServerException {
try { try {
JsonRpcClient client = new JsonRpcClient(getTransport()); JsonRpcClient client = new JsonRpcClient(getTransport());
BatchRequestBuilder<String, ScriptHashTx[]> batchRequest = client.createBatchRequest().keysType(String.class).returnType(ScriptHashTx[].class); BatchRequestBuilder<String, ScriptHashTx[]> batchRequest = client.createBatchRequest().keysType(String.class).returnType(ScriptHashTx[].class);
@ -97,16 +97,22 @@ public class ElectrumServer {
Optional<WalletNode> optionalNode = nodes.stream().filter(n -> n.getDerivationPath().equals(path)).findFirst(); Optional<WalletNode> optionalNode = nodes.stream().filter(n -> n.getDerivationPath().equals(path)).findFirst();
if(optionalNode.isPresent()) { if(optionalNode.isPresent()) {
WalletNode node = optionalNode.get(); WalletNode node = optionalNode.get();
Set<BlockchainTransactionHash> references = Arrays.stream(txes).map(ScriptHashTx::getBlockchainTransactionHash).collect(Collectors.toSet());
Set<BlockchainTransactionHash> references = Arrays.stream(txes).map(ScriptHashTx::getBlockchainTransactionHash).collect(Collectors.toCollection(TreeSet::new));
Set<BlockchainTransactionHash> existingReferences = nodeTransactionMap.get(node);
if(existingReferences == null && !references.isEmpty()) {
nodeTransactionMap.put(node, references);
} else {
for(BlockchainTransactionHash reference : references) { for(BlockchainTransactionHash reference : references) {
if(!node.getHistory().add(reference)) { if(!existingReferences.add(reference)) {
Optional<BlockchainTransactionHash> optionalReference = node.getHistory().stream().filter(tr -> tr.getHash().equals(reference.getHash())).findFirst(); Optional<BlockchainTransactionHash> optionalReference = existingReferences.stream().filter(tr -> tr.getHash().equals(reference.getHash())).findFirst();
if(optionalReference.isPresent()) { if(optionalReference.isPresent()) {
BlockchainTransactionHash existingReference = optionalReference.get(); BlockchainTransactionHash existingReference = optionalReference.get();
if(existingReference.getHeight() < reference.getHeight()) { if(existingReference.getHeight() < reference.getHeight()) {
node.getHistory().remove(existingReference); existingReferences.remove(existingReference);
node.getHistory().add(reference); existingReferences.add(reference);
}
} }
} }
} }
@ -120,24 +126,27 @@ public class ElectrumServer {
} }
} }
public void getReferencedTransactions(Wallet wallet) throws ServerException { public void getReferencedTransactions(Wallet wallet, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) throws ServerException {
getReferencedTransactions(wallet, KeyPurpose.RECEIVE); Set<BlockchainTransactionHash> references = new TreeSet<>();
getReferencedTransactions(wallet, KeyPurpose.CHANGE); for(Set<BlockchainTransactionHash> nodeReferences : nodeTransactionMap.values()) {
references.addAll(nodeReferences);
} }
public void getReferencedTransactions(Wallet wallet, KeyPurpose keyPurpose) throws ServerException { Map<Sha256Hash, BlockchainTransaction> transactionMap = getTransactions(references);
WalletNode purposeNode = wallet.getNode(keyPurpose); for(Sha256Hash hash : transactionMap.keySet()) {
Set<BlockchainTransactionHash> references = new HashSet<>(); if(wallet.getTransactions().get(hash) == null) {
for(WalletNode addressNode : purposeNode.getChildren()) { wallet.getTransactions().put(hash, transactionMap.get(hash));
references.addAll(addressNode.getHistory()); } else if(wallet.getTransactions().get(hash).getHeight() <= 0) {
transactionMap.get(hash).setLabel(wallet.getTransactions().get(hash).getLabel());
wallet.getTransactions().put(hash, transactionMap.get(hash));
}
}
} }
Map<Sha256Hash, Transaction> transactionMap = getTransactions(references); public Map<Sha256Hash, BlockchainTransaction> getTransactions(Set<BlockchainTransactionHash> references) throws ServerException {
wallet.getTransactions().putAll(transactionMap);
}
public Map<Sha256Hash, Transaction> getTransactions(Set<BlockchainTransactionHash> references) throws ServerException {
try { try {
Set<BlockchainTransactionHash> checkReferences = new TreeSet<>(references);
JsonRpcClient client = new JsonRpcClient(getTransport()); JsonRpcClient client = new JsonRpcClient(getTransport());
BatchRequestBuilder<String, String> batchRequest = client.createBatchRequest().keysType(String.class).returnType(String.class); BatchRequestBuilder<String, String> batchRequest = client.createBatchRequest().keysType(String.class).returnType(String.class);
for(BlockchainTransactionHash reference : references) { for(BlockchainTransactionHash reference : references) {
@ -145,12 +154,25 @@ public class ElectrumServer {
} }
Map<String, String> result = batchRequest.execute(); Map<String, String> result = batchRequest.execute();
Map<Sha256Hash, Transaction> transactionMap = new HashMap<>(); Map<Sha256Hash, BlockchainTransaction> transactionMap = new HashMap<>();
for(String txid : result.keySet()) { for(String txid : result.keySet()) {
Sha256Hash hash = Sha256Hash.wrap(txid); Sha256Hash hash = Sha256Hash.wrap(txid);
byte[] rawtx = Utils.hexToBytes(result.get(txid)); byte[] rawtx = Utils.hexToBytes(result.get(txid));
Transaction transaction = new Transaction(rawtx); Transaction transaction = new Transaction(rawtx);
transactionMap.put(hash, transaction);
Optional<BlockchainTransactionHash> optionalReference = references.stream().filter(reference -> reference.getHash().equals(hash)).findFirst();
if(optionalReference.isEmpty()) {
throw new IllegalStateException("Returned transaction " + hash.toString() + " that was not requested");
}
BlockchainTransactionHash reference = optionalReference.get();
BlockchainTransaction blockchainTransaction = new BlockchainTransaction(reference.getHash(), reference.getHeight(), reference.getFee(), transaction);
transactionMap.put(hash, blockchainTransaction);
checkReferences.remove(reference);
}
if(!checkReferences.isEmpty()) {
throw new IllegalStateException("Could not retrieve transactions " + checkReferences);
} }
return transactionMap; return transactionMap;
@ -161,6 +183,74 @@ public class ElectrumServer {
} }
} }
public void calculateNodeHistory(Wallet wallet, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap) {
for(WalletNode node : nodeTransactionMap.keySet()) {
calculateNodeHistory(wallet, nodeTransactionMap, node);
}
}
public void calculateNodeHistory(Wallet wallet, Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap, WalletNode node) {
Script nodeScript = wallet.getOutputScript(node);
Set<BlockchainTransactionHash> history = nodeTransactionMap.get(node);
for(BlockchainTransactionHash reference : history) {
BlockchainTransaction blockchainTransaction = wallet.getTransactions().get(reference.getHash());
if(blockchainTransaction == null) {
throw new IllegalStateException("Could not retrieve transaction for hash " + reference.getHashAsString());
}
Transaction transaction = blockchainTransaction.getTransaction();
for(int inputIndex = 0; inputIndex < transaction.getInputs().size(); inputIndex++) {
TransactionInput input = transaction.getInputs().get(inputIndex);
Sha256Hash previousHash = input.getOutpoint().getHash();
BlockchainTransaction previousTransaction = wallet.getTransactions().get(previousHash);
if(previousTransaction == null) {
//No referenced transaction found, cannot check if spends from wallet
//This is fine so long as all referenced transactions have been returned, in which case this refers to a transaction that does not affect this wallet
continue;
}
Optional<BlockchainTransactionHash> optionalTxHash = history.stream().filter(txHash -> txHash.getHash().equals(previousHash)).findFirst();
if(optionalTxHash.isEmpty()) {
//No previous transaction history found, cannot check if spends from wallet
//This is fine so long as all referenced transactions have been returned, in which case this refers to a transaction that does not affect this wallet node
continue;
}
BlockchainTransactionHash spentTxHash = optionalTxHash.get();
TransactionOutput spentOutput = previousTransaction.getTransaction().getOutputs().get((int)input.getOutpoint().getIndex());
if(spentOutput.getScript().equals(nodeScript)) {
BlockchainTransactionHashIndex spendingTXI = new BlockchainTransactionHashIndex(reference.getHash(), reference.getHeight(), reference.getFee(), inputIndex, spentOutput.getValue());
BlockchainTransactionHashIndex spentTXO = new BlockchainTransactionHashIndex(spentTxHash.getHash(), spentTxHash.getHeight(), spentTxHash.getFee(), spentOutput.getIndex(), spentOutput.getValue(), spendingTXI);
Optional<BlockchainTransactionHashIndex> optionalReference = node.getTransactionOutputs().stream().filter(receivedTXO -> receivedTXO.equals(spentTXO)).findFirst();
if(optionalReference.isEmpty()) {
throw new IllegalStateException("Found spent transaction output " + spentTXO + " but no record of receiving it");
}
BlockchainTransactionHashIndex receivedTXO = optionalReference.get();
receivedTXO.setSpentBy(spendingTXI);
}
}
for(int outputIndex = 0; outputIndex < transaction.getOutputs().size(); outputIndex++) {
TransactionOutput output = transaction.getOutputs().get(outputIndex);
if(output.getScript().equals(nodeScript)) {
BlockchainTransactionHashIndex receivingTXO = new BlockchainTransactionHashIndex(reference.getHash(), reference.getHeight(), reference.getFee(), output.getIndex(), output.getValue());
Optional<BlockchainTransactionHashIndex> optionalExistingTXO = node.getTransactionOutputs().stream().filter(txo -> txo.getHash().equals(receivingTXO.getHash()) && txo.getIndex() == receivingTXO.getIndex() && txo.getHeight() != receivingTXO.getHeight()).findFirst();
if(optionalExistingTXO.isEmpty()) {
node.getTransactionOutputs().add(receivingTXO);
} else {
BlockchainTransactionHashIndex existingTXO = optionalExistingTXO.get();
if(existingTXO.getHeight() < receivingTXO.getHeight()) {
node.getTransactionOutputs().remove(existingTXO);
node.getTransactionOutputs().add(receivingTXO);
}
}
}
}
}
}
private String getScriptHash(Wallet wallet, WalletNode node) { private String getScriptHash(Wallet wallet, WalletNode node) {
byte[] hash = Sha256Hash.hash(wallet.getOutputScript(node).getProgram()); byte[] hash = Sha256Hash.hash(wallet.getOutputScript(node).getProgram());
byte[] reversed = Utils.reverseBytes(hash); byte[] reversed = Utils.reverseBytes(hash);
@ -174,16 +264,12 @@ public class ElectrumServer {
public BlockchainTransactionHash getBlockchainTransactionHash() { public BlockchainTransactionHash getBlockchainTransactionHash() {
Sha256Hash hash = Sha256Hash.wrap(tx_hash); Sha256Hash hash = Sha256Hash.wrap(tx_hash);
return new BlockchainTransactionHash(hash, height, fee); return new BlockchainTransaction(hash, height, fee, null);
} }
@Override @Override
public String toString() { public String toString() {
return "ScriptHashTx{" + return "ScriptHashTx{height=" + height + ", tx_hash='" + tx_hash + '\'' + ", fee=" + fee + '}';
"height=" + height +
", tx_hash='" + tx_hash + '\'' +
", fee=" + fee +
'}';
} }
} }
@ -300,8 +386,9 @@ public class ElectrumServer {
return new Task<>() { return new Task<>() {
protected Boolean call() throws ServerException { protected Boolean call() throws ServerException {
ElectrumServer electrumServer = new ElectrumServer(); ElectrumServer electrumServer = new ElectrumServer();
electrumServer.getHistory(wallet); Map<WalletNode, Set<BlockchainTransactionHash>> nodeTransactionMap = electrumServer.getHistory(wallet);
electrumServer.getReferencedTransactions(wallet); electrumServer.getReferencedTransactions(wallet, nodeTransactionMap);
electrumServer.calculateNodeHistory(wallet, nodeTransactionMap);
return true; return true;
} }
}; };

21
src/main/java/com/sparrowwallet/sparrow/io/Storage.java
View file

@ -331,21 +331,22 @@ public class Storage {
Iterator<JsonElement> iter = children.iterator(); Iterator<JsonElement> iter = children.iterator();
while(iter.hasNext()) { while(iter.hasNext()) {
JsonObject childObject = (JsonObject)iter.next(); JsonObject childObject = (JsonObject)iter.next();
if(childObject.get("children") != null && childObject.getAsJsonArray("children").size() == 0) { removeEmptyCollection(childObject, "children");
childObject.remove("children"); removeEmptyCollection(childObject, "transactionOutputs");
}
if(childObject.get("history") != null && childObject.getAsJsonArray("history").size() == 0) { if(childObject.get("label") == null && childObject.get("children") == null && childObject.get("transactionOutputs") == null) {
childObject.remove("history");
}
if(childObject.get("label") == null && childObject.get("children") == null && childObject.get("history") == null) {
iter.remove(); iter.remove();
} }
} }
return jsonObject; return jsonObject;
} }
private void removeEmptyCollection(JsonObject jsonObject, String memberName) {
if(jsonObject.get(memberName) != null && jsonObject.getAsJsonArray(memberName).size() == 0) {
jsonObject.remove(memberName);
}
}
} }
private static class NodeDeserializer implements JsonDeserializer<WalletNode> { private static class NodeDeserializer implements JsonDeserializer<WalletNode> {
@ -356,8 +357,8 @@ public class Storage {
if(childNode.getChildren() == null) { if(childNode.getChildren() == null) {
childNode.setChildren(new TreeSet<>()); childNode.setChildren(new TreeSet<>());
} }
if(childNode.getHistory() == null) { if(childNode.getTransactionOutputs() == null) {
childNode.setHistory(new TreeSet<>()); childNode.setTransactionOutputs(new TreeSet<>());
} }
} }