fill in input panes with psbt information

drongo

@@ -1 +1 @@
-Subproject commit 9d15c27bfd8bd6c51f03fe081d6e70718ecf2eb0
+Subproject commit c8226ea947d910186d3a2e37ba9c5e85c2ec09ef

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -108,6 +108,9 @@ public class AppController implements Initializable {
         addTransactionTab("p2wsh", "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", null);
         addTransactionTab("test1", "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", null);
         addTransactionTab("3of3-1signed.psbt", null, "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");
+        addTransactionTab("bip174-signer.psbt", null, "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");
+        addTransactionTab("bip174-combiner.psbt", null, "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");
+        addTransactionTab("bip174-finalizer.psbt", null, "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");
     }
 
     private void addTransactionTab(String name, String transactionHex, String psbtHex) {
@@ -120,7 +123,7 @@ public class AppController implements Initializable {
                 PSBT psbt = PSBT.fromString(psbtHex);
                 addTransactionTab(name, null, psbt);
             } catch(Exception e) {
-                //ignore
+                System.out.println("Could not load PSBT: " + e.getMessage());
             }
         }
     }

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

@@ -1,5 +1,8 @@
 package com.sparrowwallet.sparrow.transaction;
 
+import com.sparrowwallet.drongo.KeyDerivation;
+import com.sparrowwallet.drongo.address.Address;
+import com.sparrowwallet.drongo.crypto.ECKey;
 import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.psbt.PSBTInput;
 import com.sparrowwallet.sparrow.EventManager;
@@ -34,6 +37,15 @@ public class InputController extends TransactionFormController implements Initia
     @FXML
     private Button outpointSelect;
 
+    @FXML
+    private TextField spends;
+
+    @FXML
+    private Label from;
+
+    @FXML
+    private TextField address;
+
     @FXML
     private CodeArea scriptSigArea;
 
@@ -103,22 +115,62 @@ public class InputController extends TransactionFormController implements Initia
         TransactionInput txInput = inputForm.getTransactionInput();
         PSBTInput psbtInput = inputForm.getPsbtInput();
 
+        initializeInputFields(txInput, psbtInput);
+        initializeScriptFields(txInput, psbtInput);
+        initializeStatusFields(txInput);
+        initializeLocktimeFields(txInput);
+    }
+
+    private void initializeInputFields(TransactionInput txInput, PSBTInput psbtInput) {
         inputFieldset.setText("Input #" + txInput.getIndex());
         outpoint.setText(txInput.getOutpoint().getHash().toString() + ":" + txInput.getOutpoint().getIndex());
 
+        spends.setText("Unknown");
+        from.setVisible(false);
+        if(psbtInput != null) {
+            TransactionOutput output = null;
+            if(psbtInput.getNonWitnessUtxo() != null) {
+                output = psbtInput.getNonWitnessUtxo().getOutputs().get(txInput.getIndex());
+            } else if(psbtInput.getWitnessUtxo() != null) {
+                output = psbtInput.getWitnessUtxo();
+            }
+
+            if(output != null) {
+                spends.setText(output.getValue() + " sats");
+                try {
+                    Address[] addresses = output.getScript().getToAddresses();
+                    from.setVisible(true);
+                    if(addresses.length == 1) {
+                        address.setText(addresses[0].getAddress());
+                    } else {
+                        address.setText("multiple addresses");
+                    }
+                } catch(NonStandardScriptException e) {
+                    //ignore
+                }
+            }
+        }
+
         //TODO: Enable select outpoint when wallet present
         outpointSelect.setDisable(true);
-        initializeScriptFields(txInput, psbtInput);
-        initializeStatusFields(txInput);
-        initializeLocktimeFields(txInput);
     }
 
     private void initializeScriptFields(TransactionInput txInput, PSBTInput psbtInput) {
         //TODO: Is this safe?
         Script redeemScript = txInput.getScriptSig().getFirstNestedScript();
+        if(redeemScript == null && psbtInput != null && psbtInput.getRedeemScript() != null) {
+            redeemScript = psbtInput.getRedeemScript();
+        }
+        if(redeemScript == null && psbtInput != null && psbtInput.getFinalScriptSig() != null) {
+            redeemScript = psbtInput.getFinalScriptSig().getFirstNestedScript();
+        }
 
         scriptSigArea.clear();
-        appendScript(scriptSigArea, txInput.getScriptSig(), redeemScript, null);
+        if(txInput.getScriptSig().isEmpty() && psbtInput != null && psbtInput.getFinalScriptSig() != null) {
+            appendScript(scriptSigArea, psbtInput.getFinalScriptSig(), redeemScript, null);
+        } else {
+            appendScript(scriptSigArea, txInput.getScriptSig(), redeemScript, null);
+        }
 
         redeemScriptArea.clear();
         if(redeemScript != null) {
@@ -129,18 +181,40 @@ public class InputController extends TransactionFormController implements Initia
 
         witnessesArea.clear();
         witnessScriptArea.clear();
+        Script witnesses = null;
+        Script witnessScript = null;
+
         if(txInput.hasWitness()) {
             List<ScriptChunk> witnessChunks = txInput.getWitness().asScriptChunks();
             if(witnessChunks.get(witnessChunks.size() - 1).isScript()) {
-                Script witnessScript = new Script(witnessChunks.get(witnessChunks.size() - 1).getData());
-                appendScript(witnessesArea, new Script(witnessChunks.subList(0, witnessChunks.size() - 1)), null, witnessScript);
-                appendScript(witnessScriptArea, witnessScript);
+                witnesses = new Script(witnessChunks.subList(0, witnessChunks.size() - 1));
+                witnessScript = witnessChunks.get(witnessChunks.size() - 1).getScript();
             } else {
-                appendScript(witnessesArea, new Script(witnessChunks));
-                witnessScriptScroll.setDisable(true);
+                witnesses = new Script(witnessChunks);
+            }
+        } else if(psbtInput != null) {
+            if(psbtInput.getFinalScriptWitness() != null) {
+                List<ScriptChunk> witnessChunks = psbtInput.getFinalScriptWitness().asScriptChunks();
+                if(witnessChunks.get(witnessChunks.size() - 1).isScript()) {
+                    witnesses = new Script(witnessChunks.subList(0, witnessChunks.size() - 1));
+                    witnessScript = witnessChunks.get(witnessChunks.size() - 1).getScript();
+                } else {
+                    witnesses = new Script(witnessChunks);
+                }
+            } else if(psbtInput.getWitnessScript() != null) {
+                witnessScript = psbtInput.getWitnessScript();
             }
+        }
+
+        if(witnesses != null) {
+            appendScript(witnessesArea, witnesses, null, witnessScript);
         } else {
             witnessesScroll.setDisable(true);
+        }
+
+        if(witnessScript != null) {
+            appendScript(witnessScriptArea, witnessScript);
+        } else {
             witnessScriptScroll.setDisable(true);
         }
     }
@@ -152,13 +226,23 @@ public class InputController extends TransactionFormController implements Initia
         if(inputForm.getPsbtInput() != null) {
             PSBTInput psbtInput = inputForm.getPsbtInput();
 
-            try {
-                int reqSigs = psbtInput.getSigningScript().getNumRequiredSignatures();
-                int foundSigs = psbtInput.getPartialSignatures().size();
-                signatures.setText(foundSigs + "/" + reqSigs);
-            } catch (NonStandardScriptException e) {
-                //TODO: Handle unusual transaction sig
+            int reqSigs = -1;
+            if((psbtInput.getNonWitnessUtxo() != null || psbtInput.getWitnessUtxo() != null) && psbtInput.getSigningScript() != null) {
+                try {
+                    reqSigs = psbtInput.getSigningScript().getNumRequiredSignatures();
+                } catch (NonStandardScriptException e) {
+                    //TODO: Handle unusual transaction sig
+                }
+            }
+
+            int foundSigs = psbtInput.getPartialSignatures().size();
+            if(psbtInput.getFinalScriptWitness() != null) {
+                foundSigs = psbtInput.getFinalScriptWitness().getSignatures().size();
+            } else if(psbtInput.getFinalScriptSig() != null) {
+                foundSigs = psbtInput.getFinalScriptSig().getSignatures().size();
             }
+
+            signatures.setText(foundSigs + "/" + (reqSigs < 0 ? "?" : reqSigs));
         }
 
         rbf.setSelected(txInput.isReplaceByFeeEnabled());
@@ -280,4 +364,28 @@ public class InputController extends TransactionFormController implements Initia
         this.inputForm = form;
         initializeView();
     }
+
+    @Override
+    protected String describeScriptChunk(ScriptChunk chunk) {
+        String chunkString = super.describeScriptChunk(chunk);
+
+        ECKey pubKey = null;
+        if(chunk.isSignature()) {
+            if(inputForm.getPsbtInput() != null) {
+                TransactionSignature signature = chunk.getSignature();
+                pubKey = inputForm.getPsbtInput().getKeyForSignature(signature);
+            }
+        } else if(chunk.isPubKey()) {
+            pubKey = chunk.getPubKey();
+        }
+
+        if(inputForm.getPsbtInput() != null) {
+            KeyDerivation derivation = inputForm.getPsbtInput().getKeyDerivation(pubKey);
+            if(derivation != null) {
+                return "[" + derivation.toString() + "] " + chunkString;
+            }
+        }
+
+        return chunkString;
+    }
 }

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

@@ -47,6 +47,7 @@ public class InputsController extends TransactionFormController implements Initi
         if(inputsForm.getPsbt() != null) {
             int reqSigs = 0;
             int foundSigs = 0;
+            boolean showDenominator = true;
 
             List<TransactionOutput> outputs = new ArrayList<>();
             for(int i = 0; i < tx.getInputs().size(); i++) {
@@ -59,11 +60,23 @@ public class InputsController extends TransactionFormController implements Initi
                     outputs.add(psbtInput.getWitnessUtxo());
                 }
 
-                try {
-                    reqSigs += psbtInput.getSigningScript().getNumRequiredSignatures();
+                if((psbtInput.getNonWitnessUtxo() != null || psbtInput.getWitnessUtxo() != null) && psbtInput.getSigningScript() != null) {
+                    try {
+                        reqSigs += psbtInput.getSigningScript().getNumRequiredSignatures();
+                    } catch (NonStandardScriptException e) {
+                        showDenominator = false;
+                        //TODO: Handle unusual transaction sig
+                    }
+                } else {
+                    showDenominator = false;
+                }
+
+                if(psbtInput.getFinalScriptWitness() != null) {
+                    foundSigs += psbtInput.getFinalScriptWitness().getSignatures().size();
+                } else if(psbtInput.getFinalScriptSig() != null) {
+                    foundSigs += psbtInput.getFinalScriptSig().getSignatures().size();
+                } else {
                     foundSigs += psbtInput.getPartialSignatures().size();
-                } catch (NonStandardScriptException e) {
-                    //TODO: Handle unusual transaction sig
                 }
             }
 
@@ -72,7 +85,12 @@ public class InputsController extends TransactionFormController implements Initi
                 totalAmt += output.getValue();
             }
             total.setText(totalAmt + " sats");
-            signatures.setText(foundSigs + "/" + reqSigs);
+            if(showDenominator) {
+                signatures.setText(foundSigs + "/" + reqSigs);
+            } else {
+                signatures.setText(foundSigs + "/?");
+            }
+
             addPieData(inputsPie, outputs);
         }
     }

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

@@ -1,8 +1,11 @@
 package com.sparrowwallet.sparrow.transaction;
 
+import com.sparrowwallet.drongo.address.Address;
+import com.sparrowwallet.drongo.protocol.NonStandardScriptException;
 import com.sparrowwallet.drongo.protocol.TransactionOutput;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
 import org.fxmisc.richtext.CodeArea;
 import tornadofx.control.Fieldset;
@@ -19,6 +22,12 @@ public class OutputController extends TransactionFormController implements Initi
     @FXML
     private TextField value;
 
+    @FXML
+    private Label to;
+
+    @FXML
+    private TextField address;
+
     @FXML
     private CodeArea scriptPubKeyArea;
 
@@ -31,8 +40,21 @@ public class OutputController extends TransactionFormController implements Initi
         TransactionOutput txOutput = outputForm.getTransactionOutput();
 
         outputFieldset.setText("Output #" + txOutput.getIndex());
+
         value.setText(txOutput.getValue() + " sats");
 
+        try {
+            Address[] addresses = txOutput.getScript().getToAddresses();
+            to.setVisible(true);
+            if(addresses.length == 1) {
+                address.setText(addresses[0].getAddress());
+            } else {
+                address.setText("multiple addresses");
+            }
+        } catch(NonStandardScriptException e) {
+            //ignore
+        }
+
         scriptPubKeyArea.clear();
         appendScript(scriptPubKeyArea, txOutput.getScript(), null, null);
     }

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

@@ -182,13 +182,15 @@ public class TransactionController implements Initializable, TransactionListener
         if(transaction.hasWitnesses()) {
             for (int i = 0; i < transaction.getInputs().size(); i++) {
                 TransactionInput input = transaction.getInputs().get(i);
-                TransactionWitness witness = input.getWitness();
-                VarInt witnessCount = new VarInt(witness.getPushCount());
-                cursor = addText(hex, cursor, witnessCount.getSizeInBytes()*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "count"));
-                for(byte[] push : witness.getPushes()) {
-                    VarInt witnessLen = new VarInt(push.length);
-                    cursor = addText(hex, cursor, witnessLen.getSizeInBytes()*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "length"));
-                    cursor = addText(hex, cursor, (int)witnessLen.value*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "data"));
+                if(input.hasWitness()) {
+                    TransactionWitness witness = input.getWitness();
+                    VarInt witnessCount = new VarInt(witness.getPushCount());
+                    cursor = addText(hex, cursor, witnessCount.getSizeInBytes()*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "count"));
+                    for(byte[] push : witness.getPushes()) {
+                        VarInt witnessLen = new VarInt(push.length);
+                        cursor = addText(hex, cursor, witnessLen.getSizeInBytes()*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "length"));
+                        cursor = addText(hex, cursor, (int)witnessLen.value*2, "witness-" + getIndexedStyleClass(i, selectedInputIndex, "data"));
+                    }
                 }
             }
         }

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

@@ -91,7 +91,7 @@ public abstract class TransactionFormController {
                 } else if(chunk.isSignature()) {
                     codeArea.append("<signature" + signatureCount++ + ">", "script-signature");
                 } else if(chunk.isScript()) {
-                    Script nestedScript = new Script(chunk.getData());
+                    Script nestedScript = chunk.getScript();
                     if (nestedScript.equals(redeemScript)) {
                         codeArea.append("<RedeemScript>", "script-redeem");
                     } else if (nestedScript.equals(witnessScript)) {
@@ -132,7 +132,7 @@ public abstract class TransactionFormController {
                 ScriptChunk hoverChunk = script.getChunks().get(position.getMajor()/2);
                 if(!hoverChunk.isOpCode()) {
                     Point2D pos = e.getScreenPosition();
-                    popupMsg.setText(hoverChunk.toString());
+                    popupMsg.setText(describeScriptChunk(hoverChunk));
                     popup.show(area, pos.getX(), pos.getY() + 10);
                 }
             }
@@ -141,4 +141,8 @@ public abstract class TransactionFormController {
             popup.hide();
         });
     }
+
+    protected String describeScriptChunk(ScriptChunk chunk) {
+        return chunk.toString();
+    }
 }

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -3,7 +3,7 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
-<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="700.0" prefWidth="1000.0" fx:controller="com.sparrowwallet.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
+<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="750.0" prefWidth="1100.0" fx:controller="com.sparrowwallet.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
    <children>
       <MenuBar useSystemMenuBar="true">
         <menus>

src/main/resources/com/sparrowwallet/sparrow/general.css

@@ -10,6 +10,10 @@
     -fx-pref-height: 25px;
 }
 
+.form .input-container {
+    -fx-spacing: 2;
+}
+
 .form .field {
     -fx-padding: 5 5;
 }

src/main/resources/com/sparrowwallet/sparrow/transaction/headers.fxml

@@ -18,10 +18,10 @@
       <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
    </padding>
     <columnConstraints>
-        <ColumnConstraints minWidth="340" prefWidth="340"
+        <ColumnConstraints minWidth="365" prefWidth="365"
                            maxWidth="Infinity">
         </ColumnConstraints>
-        <ColumnConstraints minWidth="340" prefWidth="340"
+        <ColumnConstraints minWidth="365" prefWidth="365"
                            maxWidth="Infinity">
         </ColumnConstraints>
     </columnConstraints>

src/main/resources/com/sparrowwallet/sparrow/transaction/input.fxml

@@ -18,9 +18,9 @@
         <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
     </padding>
     <columnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
     </columnConstraints>
     <rowConstraints>
@@ -37,6 +37,11 @@
                     </graphic>
                 </Button>
             </Field>
+            <Field text="Spends:">
+                <TextField fx:id="spends" editable="false" styleClass="copyable-label" maxWidth="80" />
+                <Label fx:id="from" text="from" maxWidth="30" style="-fx-padding: 0" />
+                <TextField fx:id="address" editable="false" styleClass="copyable-label, id" />
+            </Field>
         </Fieldset>
     </Form>
 
@@ -48,7 +53,7 @@
                 <HBox prefHeight="42">
                     <VirtualizedScrollPane>
                         <content>
-                            <CodeArea fx:id="scriptSigArea" editable="false" minWidth="570" prefWidth="570" wrapText="true" styleClass="uneditable-codearea" />
+                            <CodeArea fx:id="scriptSigArea" editable="false" minWidth="620" prefWidth="620" wrapText="true" styleClass="uneditable-codearea" />
                         </content>
                     </VirtualizedScrollPane>
                 </HBox>
@@ -57,7 +62,7 @@
                 <HBox prefHeight="42">
                     <VirtualizedScrollPane fx:id="redeemScriptScroll">
                         <content>
-                            <CodeArea fx:id="redeemScriptArea" editable="false" minWidth="570" prefWidth="570" wrapText="true" styleClass="uneditable-codearea" />
+                            <CodeArea fx:id="redeemScriptArea" editable="false" minWidth="620" prefWidth="620" wrapText="true" styleClass="uneditable-codearea" />
                         </content>
                     </VirtualizedScrollPane>
                 </HBox>
@@ -66,7 +71,7 @@
                 <HBox prefHeight="42">
                     <VirtualizedScrollPane fx:id="witnessesScroll">
                         <content>
-                            <CodeArea fx:id="witnessesArea" editable="false" minWidth="570" prefWidth="570" wrapText="true" styleClass="uneditable-codearea" />
+                            <CodeArea fx:id="witnessesArea" editable="false" minWidth="620" prefWidth="620" wrapText="true" styleClass="uneditable-codearea" />
                         </content>
                     </VirtualizedScrollPane>
                 </HBox>
@@ -75,7 +80,7 @@
                 <HBox prefHeight="42">
                     <VirtualizedScrollPane fx:id="witnessScriptScroll">
                         <content>
-                            <CodeArea fx:id="witnessScriptArea" editable="false" minWidth="570" prefWidth="570" wrapText="true" styleClass="uneditable-codearea" />
+                            <CodeArea fx:id="witnessScriptArea" editable="false" minWidth="620" prefWidth="620" wrapText="true" styleClass="uneditable-codearea" />
                         </content>
                     </VirtualizedScrollPane>
                 </HBox>

src/main/resources/com/sparrowwallet/sparrow/transaction/inputs.fxml

@@ -11,9 +11,9 @@
         <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
     </padding>
     <columnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
     </columnConstraints>
     <rowConstraints>

src/main/resources/com/sparrowwallet/sparrow/transaction/output.fxml

@@ -17,9 +17,9 @@
         <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
     </padding>
     <columnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
     </columnConstraints>
     <rowConstraints>
@@ -28,8 +28,10 @@
     </rowConstraints>
     <Form GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.rowIndex="0">
         <Fieldset fx:id="outputFieldset" inputGrow="SOMETIMES" text="Output">
-            <Field text="Value:">
-                <TextField fx:id="value" editable="false" styleClass="copyable-label" />
+            <Field text="Sends:">
+                <TextField fx:id="value" editable="false" styleClass="copyable-label" maxWidth="80"/>
+                <Label fx:id="to" text="to" />
+                <TextField fx:id="address" editable="false" styleClass="copyable-label, id" />
             </Field>
         </Fieldset>
     </Form>
@@ -42,7 +44,7 @@
                 <HBox prefHeight="42">
                     <VirtualizedScrollPane>
                         <content>
-                            <CodeArea fx:id="scriptPubKeyArea" editable="false" minWidth="570" prefWidth="570" wrapText="true" styleClass="uneditable-codearea" />
+                            <CodeArea fx:id="scriptPubKeyArea" editable="false" minWidth="620" prefWidth="620" wrapText="true" styleClass="uneditable-codearea" />
                         </content>
                     </VirtualizedScrollPane>
                 </HBox>

src/main/resources/com/sparrowwallet/sparrow/transaction/outputs.fxml

@@ -11,9 +11,9 @@
         <Insets bottom="25.0" left="25.0" right="25.0" top="25.0" />
     </padding>
     <columnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
-        <ColumnConstraints maxWidth="Infinity" minWidth="340" prefWidth="340">
+        <ColumnConstraints maxWidth="Infinity" minWidth="365" prefWidth="365">
         </ColumnConstraints>
     </columnConstraints>
     <rowConstraints>