various fixes, better non-electrumx support

build.gradle

@@ -118,7 +118,7 @@ jlink {
     jpackage {
         imageName = "Sparrow"
         installerName = "Sparrow"
-        appVersion = "0.6"
+        appVersion = "0.9.1"
         skipInstaller = true
         imageOptions = []
         installerOptions = [

drongo

@@ -1 +1 @@
-Subproject commit 5d456a10df1375b41e6159efc540b3d90cfbfc4d
+Subproject commit 446eac3483229fc4c798e82f367ca9d8f797d16e

src/main/java/com/sparrowwallet/sparrow/control/ConfirmationProgressIndicator.java

@@ -54,7 +54,7 @@ public class ConfirmationProgressIndicator extends StackPane {
                 arcLengthTimeline.getKeyFrames().add(arcLengthFrame);
                 sequence.getChildren().add(arcLengthTimeline);
 
-                if(newValue.intValue() == BlockTransactionHash.BLOCKS_TO_CONFIRM) {
+                if(newValue.intValue() >= BlockTransactionHash.BLOCKS_TO_CONFIRM) {
                     Timeline arcRadiusTimeline = new Timeline();
                     KeyValue arcRadiusXValue = new KeyValue(arc.radiusXProperty(), 0.0);
                     KeyValue arcRadiusYValue = new KeyValue(arc.radiusYProperty(), 0.0);

src/main/java/com/sparrowwallet/sparrow/control/MnemonicKeystoreImportPane.java

@@ -63,7 +63,7 @@ public class MnemonicKeystoreImportPane extends TitledDescriptionPane {
     }
 
     public MnemonicKeystoreImportPane(Keystore keystore) {
-        super(keystore.getSeed().getType().getName(), keystore.getSeed().needsPassphrase() ? "Passphrase enabled" : "Passphrase disabled", "", "image/" + WalletModel.SEED + ".png");
+        super(keystore.getSeed().getType().getName(), keystore.getSeed().needsPassphrase() ? "Passphrase enabled" : "Passphrase disabled", "", "image/" + WalletModel.SEED.getType() + ".png");
         this.wallet = null;
         this.importer = null;
         showHideLink.setVisible(false);

src/main/java/com/sparrowwallet/sparrow/event/WalletNodeHistoryChangedEvent.java

@@ -40,4 +40,8 @@ public class WalletNodeHistoryChangedEvent {
 
         return null;
     }
+
+    public String getScriptHash() {
+        return scriptHash;
+    }
 }

src/main/java/com/sparrowwallet/sparrow/net/BatchedElectrumServerRpc.java

@@ -167,7 +167,7 @@ public class BatchedElectrumServerRpc implements ElectrumServerRpc {
 
     @Override
     @SuppressWarnings("unchecked")
-    public Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids) {
+    public Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids, String scriptHash) {
         JsonRpcClient client = new JsonRpcClient(transport);
         BatchRequestBuilder<String, VerboseTransaction> batchRequest = client.createBatchRequest().keysType(String.class).returnType(VerboseTransaction.class);
         for(String txid : txids) {

src/main/java/com/sparrowwallet/sparrow/net/ElectrumServer.java

@@ -479,13 +479,13 @@ public class ElectrumServer {
         }
     }
 
-    public Map<Sha256Hash, BlockTransaction> getReferencedTransactions(Set<Sha256Hash> references) throws ServerException {
+    public Map<Sha256Hash, BlockTransaction> getReferencedTransactions(Set<Sha256Hash> references, String scriptHash) throws ServerException {
         Set<String> txids = new LinkedHashSet<>(references.size());
         for(Sha256Hash reference : references) {
             txids.add(reference.toString());
         }
 
-        Map<String, VerboseTransaction> result = electrumServerRpc.getVerboseTransactions(getTransport(), txids);
+        Map<String, VerboseTransaction> result = electrumServerRpc.getVerboseTransactions(getTransport(), txids, scriptHash);
 
         Map<Sha256Hash, BlockTransaction> transactionMap = new HashMap<>();
         for(String txid : result.keySet()) {
@@ -715,6 +715,7 @@ public class ElectrumServer {
 
     public static class TransactionReferenceService extends Service<Map<Sha256Hash, BlockTransaction>> {
         private final Set<Sha256Hash> references;
+        private String scriptHash;
 
         public TransactionReferenceService(Transaction transaction) {
             references = new HashSet<>();
@@ -724,6 +725,11 @@ public class ElectrumServer {
             }
         }
 
+        public TransactionReferenceService(Set<Sha256Hash> references, String scriptHash) {
+            this(references);
+            this.scriptHash = scriptHash;
+        }
+
         public TransactionReferenceService(Set<Sha256Hash> references) {
             this.references = references;
         }
@@ -733,7 +739,7 @@ public class ElectrumServer {
             return new Task<>() {
                 protected Map<Sha256Hash, BlockTransaction> call() throws ServerException {
                     ElectrumServer electrumServer = new ElectrumServer();
-                    return electrumServer.getReferencedTransactions(references);
+                    return electrumServer.getReferencedTransactions(references, scriptHash);
                 }
             };
         }

src/main/java/com/sparrowwallet/sparrow/net/ElectrumServerRpc.java

@@ -25,7 +25,7 @@ public interface ElectrumServerRpc {
 
     Map<String, String> getTransactions(Transport transport, Set<String> txids);
 
-    Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids);
+    Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids, String scriptHash);
 
     Map<Integer, Double> getFeeEstimates(Transport transport, List<Integer> targetBlocks);
 

src/main/java/com/sparrowwallet/sparrow/net/SimpleElectrumServerRpc.java

@@ -1,10 +1,12 @@
 package com.sparrowwallet.sparrow.net;
 
-import com.fasterxml.jackson.databind.exc.MismatchedInputException;
 import com.github.arteam.simplejsonrpc.client.JsonRpcClient;
 import com.github.arteam.simplejsonrpc.client.Transport;
 import com.github.arteam.simplejsonrpc.client.exception.JsonRpcException;
+import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.protocol.Sha256Hash;
+import com.sparrowwallet.drongo.protocol.Transaction;
+import com.sparrowwallet.sparrow.AppController;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -17,6 +19,7 @@ import static com.sparrowwallet.drongo.protocol.Transaction.DUST_RELAY_TX_FEE;
 
 public class SimpleElectrumServerRpc implements ElectrumServerRpc {
     private static final Logger log = LoggerFactory.getLogger(SimpleElectrumServerRpc.class);
+    private static final int MAX_TARGET_BLOCKS = 25;
 
     @Override
     public void ping(Transport transport) {
@@ -156,7 +159,7 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
     }
 
     @Override
-    public Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids) {
+    public Map<String, VerboseTransaction> getVerboseTransactions(Transport transport, Set<String> txids, String scriptHash) {
         JsonRpcClient client = new JsonRpcClient(transport);
 
         Map<String, VerboseTransaction> result = new LinkedHashMap<>();
@@ -166,6 +169,27 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
                 result.put(txid, verboseTransaction);
             } catch(IllegalStateException | IllegalArgumentException e) {
                 log.warn("Error retrieving transaction: " + txid + " (" + (e.getCause() != null ? e.getCause().getMessage() : e.getMessage()) + ")");
+                String rawTxHex = client.createRequest().returnAs(String.class).method("blockchain.transaction.get").id(txid).params(txid).execute();
+                Transaction tx = new Transaction(Utils.hexToBytes(rawTxHex));
+                String id = tx.getTxId().toString();
+                int height = 0;
+
+                if(scriptHash != null) {
+                    ScriptHashTx[] scriptHashTxes = client.createRequest().returnAs(ScriptHashTx[].class).method("blockchain.scripthash.get_history").id(id).params(scriptHash).execute();
+                    for(ScriptHashTx scriptHashTx : scriptHashTxes) {
+                        if(scriptHashTx.tx_hash.equals(id)) {
+                            height = scriptHashTx.height;
+                            break;
+                        }
+                    }
+                }
+
+                VerboseTransaction verboseTransaction = new VerboseTransaction();
+                verboseTransaction.txid = id;
+                verboseTransaction.hex = rawTxHex;
+                verboseTransaction.confirmations = (height <= 0 ? 0 : AppController.getCurrentBlockHeight() - height + 1);
+                verboseTransaction.blockhash = Sha256Hash.ZERO_HASH.toString();
+                result.put(txid, verboseTransaction);
             } catch(JsonRpcException e) {
                 log.warn("Error retrieving transaction: " + txid + " (" + e.getErrorMessage() + ")");
             }
@@ -180,14 +204,18 @@ public class SimpleElectrumServerRpc implements ElectrumServerRpc {
 
         Map<Integer, Double> result = new LinkedHashMap<>();
         for(Integer targetBlock : targetBlocks) {
-            try {
-                Double targetBlocksFeeRateBtcKb = client.createRequest().returnAs(Double.class).method("blockchain.estimatefee").id(targetBlock).params(targetBlock).execute();
-                result.put(targetBlock, targetBlocksFeeRateBtcKb);
-            } catch(IllegalStateException | IllegalArgumentException e) {
-                log.warn("Failed to retrieve fee rate for target blocks: " + targetBlock + " (" + e.getMessage() + ")");
-                result.put(targetBlock, DUST_RELAY_TX_FEE);
-            } catch(JsonRpcException e) {
-                throw new ElectrumServerRpcException("Failed to retrieve fee rate for target blocks: " + targetBlock, e);
+            if(targetBlock <= MAX_TARGET_BLOCKS) {
+                try {
+                    Double targetBlocksFeeRateBtcKb = client.createRequest().returnAs(Double.class).method("blockchain.estimatefee").id(targetBlock).params(targetBlock).execute();
+                    result.put(targetBlock, targetBlocksFeeRateBtcKb);
+                } catch(IllegalStateException | IllegalArgumentException e) {
+                    log.warn("Failed to retrieve fee rate for target blocks: " + targetBlock + " (" + e.getMessage() + ")");
+                    result.put(targetBlock, 1d);
+                } catch(JsonRpcException e) {
+                    throw new ElectrumServerRpcException("Failed to retrieve fee rate for target blocks: " + targetBlock, e);
+                }
+            } else {
+                result.put(targetBlock, 1d);
             }
         }
 

src/main/java/com/sparrowwallet/sparrow/net/TcpTransport.java

@@ -5,6 +5,8 @@ import com.github.arteam.simplejsonrpc.server.JsonRpcServer;
 import com.google.common.net.HostAndPort;
 import com.sparrowwallet.sparrow.io.Config;
 import org.jetbrains.annotations.NotNull;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import javax.net.SocketFactory;
 import java.io.*;
@@ -12,6 +14,8 @@ import java.net.Socket;
 import java.util.concurrent.locks.ReentrantLock;
 
 public class TcpTransport implements Transport, Closeable {
+    private static final Logger log = LoggerFactory.getLogger(TcpTransport.class);
+
     public static final int DEFAULT_PORT = 50001;
 
     protected final HostAndPort server;
@@ -24,6 +28,7 @@ public class TcpTransport implements Transport, Closeable {
     private final ReentrantLock clientRequestLock = new ReentrantLock();
     private boolean running = false;
     private boolean reading = true;
+    private boolean firstRead = true;
 
     private final JsonRpcServer jsonRpcServer = new JsonRpcServer();
     private final SubscriptionService subscriptionService = new SubscriptionService();
@@ -53,6 +58,11 @@ public class TcpTransport implements Transport, Closeable {
     }
 
     private synchronized String readResponse() throws IOException {
+        if(firstRead) {
+            notifyAll();
+            firstRead = false;
+        }
+
         while(reading) {
             try {
                 wait();
@@ -63,7 +73,7 @@ public class TcpTransport implements Transport, Closeable {
         }
 
         if(lastException != null) {
-            throw new IOException("Error reading response", lastException);
+            throw new IOException("Error reading response: " + lastException.getMessage(), lastException);
         }
 
         reading = true;
@@ -73,6 +83,13 @@ public class TcpTransport implements Transport, Closeable {
     }
 
     public synchronized void readInputLoop() throws ServerException {
+        try {
+            //Don't start reading until first RPC request is sent
+            wait();
+        } catch(InterruptedException e) {
+            Thread.currentThread().interrupt();
+        }
+
         while(running) {
             try {
                 String received = readInputStream();
@@ -95,7 +112,7 @@ public class TcpTransport implements Transport, Closeable {
                     reading = false;
                     notifyAll();
                     //Allow this thread to terminate as we will need to reconnect with a new transport anyway
-                    throw new ServerException(e);
+                    running = false;
                 }
             }
         }

src/main/java/com/sparrowwallet/sparrow/transaction/HeadersController.java

@@ -469,7 +469,10 @@ public class HeadersController extends TransactionFormController implements Init
     private void updateBlockchainForm(BlockTransaction blockTransaction, Integer currentHeight) {
         blockchainForm.setVisible(true);
 
-        if(currentHeight == null) {
+        if(Sha256Hash.ZERO_HASH.equals(blockTransaction.getBlockHash()) && blockTransaction.getHeight() == 0 && headersForm.getSigningWallet() == null) {
+            //A zero block hash indicates that this blocktransaction is incomplete and the height is likely incorrect if we are not sending a tx
+            blockStatus.setText("Unknown");
+        } else if(currentHeight == null) {
             blockStatus.setText(blockTransaction.getHeight() > 0 ? "Confirmed" : "Unconfirmed");
         } else {
             int confirmations = blockTransaction.getHeight() > 0 ? currentHeight - blockTransaction.getHeight() + 1 : 0;
@@ -512,7 +515,7 @@ public class HeadersController extends TransactionFormController implements Init
             blockTimestampField.setVisible(false);
         }
 
-        if(blockTransaction.getBlockHash() != null) {
+        if(blockTransaction.getBlockHash() != null && !blockTransaction.getBlockHash().equals(Sha256Hash.ZERO_HASH)) {
             blockHashField.setVisible(true);
             blockHash.setText(blockTransaction.getBlockHash().toString());
             blockHash.setContextMenu(new BlockHeightContextMenu(blockTransaction.getBlockHash()));
@@ -796,7 +799,7 @@ public class HeadersController extends TransactionFormController implements Init
     @Subscribe
     public void blockTransactionFetched(BlockTransactionFetchedEvent event) {
         if(event.getTxId().equals(headersForm.getTransaction().getTxId())) {
-            if(event.getBlockTransaction() != null) {
+            if(event.getBlockTransaction() != null && (!Sha256Hash.ZERO_HASH.equals(event.getBlockTransaction().getBlockHash()) || headersForm.getBlockTransaction() == null)) {
                 updateBlockchainForm(event.getBlockTransaction(), AppController.getCurrentBlockHeight());
             }
 
@@ -937,7 +940,7 @@ public class HeadersController extends TransactionFormController implements Init
     public void walletNodeHistoryChanged(WalletNodeHistoryChangedEvent event) {
         if(headersForm.getSigningWallet() != null && event.getWalletNode(headersForm.getSigningWallet()) != null) {
             Sha256Hash txid = headersForm.getTransaction().getTxId();
-            ElectrumServer.TransactionReferenceService transactionReferenceService = new ElectrumServer.TransactionReferenceService(Set.of(txid));
+            ElectrumServer.TransactionReferenceService transactionReferenceService = new ElectrumServer.TransactionReferenceService(Set.of(txid), event.getScriptHash());
             transactionReferenceService.setOnSucceeded(successEvent -> {
                 Map<Sha256Hash, BlockTransaction> transactionMap = transactionReferenceService.getValue();
                 BlockTransaction blockTransaction = transactionMap.get(txid);

src/main/java/com/sparrowwallet/sparrow/transaction/TransactionController.java

@@ -319,9 +319,9 @@ public class TransactionController implements Initializable {
                 Map<Sha256Hash, BlockTransaction> transactionMap = transactionReferenceService.getValue();
                 BlockTransaction thisBlockTx = null;
                 Map<Sha256Hash, BlockTransaction> inputTransactions = new HashMap<>();
-                for (Sha256Hash txid : transactionMap.keySet()) {
+                for(Sha256Hash txid : transactionMap.keySet()) {
                     BlockTransaction blockTx = transactionMap.get(txid);
-                    if (txid.equals(getTransaction().getTxId())) {
+                    if(txid.equals(getTransaction().getTxId())) {
                         thisBlockTx = blockTx;
                     } else {
                         inputTransactions.put(txid, blockTx);
@@ -456,7 +456,9 @@ public class TransactionController implements Initializable {
     @Subscribe
     public void blockTransactionFetched(BlockTransactionFetchedEvent event) {
         if(event.getTxId().equals(getTransaction().getTxId())) {
-            txdata.setBlockTransaction(event.getBlockTransaction());
+            if(event.getBlockTransaction() != null && (!Sha256Hash.ZERO_HASH.equals(event.getBlockTransaction().getBlockHash()) || txdata.getBlockTransaction() == null)) {
+                txdata.setBlockTransaction(event.getBlockTransaction());
+            }
             if(txdata.getInputTransactions() == null) {
                 txdata.setInputTransactions(event.getInputTransactions());
             } else {

src/main/resources/com/sparrowwallet/sparrow/wallet/receive.fxml

@@ -56,8 +56,8 @@
             <Separator styleClass="form-separator" GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="1" />
 
             <Form GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="2">
-                <Fieldset inputGrow="SOMETIMES" text="Required Script">
-                    <Field text="ScriptPubKey">
+                <Fieldset inputGrow="SOMETIMES" text="Required ScriptPubKey">
+                    <Field text="Script:">
                         <VirtualizedScrollPane>
                             <content>
                                 <ScriptArea fx:id="scriptPubKeyArea" editable="false" wrapText="true" prefHeight="42" maxHeight="42" styleClass="uneditable-codearea" />

src/main/resources/com/sparrowwallet/sparrow/wallet/send.css

@@ -13,8 +13,8 @@
 }
 
 .amount-unit {
-    -fx-min-width: 70px;
-    -fx-max-width: 70px;
+    -fx-min-width: 75px;
+    -fx-max-width: 75px;
 }
 
 #feeRatesChart {

src/main/resources/com/sparrowwallet/sparrow/wallet/send.fxml

@@ -73,7 +73,7 @@
                 </Form>
                 <Form GridPane.columnIndex="0" GridPane.rowIndex="1">
                     <Fieldset inputGrow="SOMETIMES" text="Fee">
-                        <Field text="Block target:">
+                        <Field text="Block target">
                             <Slider fx:id="targetBlocks" snapToTicks="true" showTickLabels="true" showTickMarks="true" />
                         </Field>
                         <Field fx:id="feeRateField" text="Rate:">