show signing keystores in transaction blockchain form for spends from multisig wallets

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

@@ -4,6 +4,7 @@ import com.sparrowwallet.drongo.KeyPurpose;
 import com.sparrowwallet.drongo.SecureString;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.address.Address;
+import com.sparrowwallet.drongo.policy.PolicyType;
 import com.sparrowwallet.drongo.protocol.*;
 import com.sparrowwallet.drongo.psbt.PSBT;
 import com.sparrowwallet.drongo.psbt.PSBTInput;
@@ -181,6 +182,12 @@ public class HeadersController extends TransactionFormController implements Init
     @FXML
     private CopyableLabel blockTimestamp;
 
+    @FXML
+    private Field signedByField;
+
+    @FXML
+    private CopyableLabel signedBy;
+
     @FXML
     private Form blockchainSpacerForm;
 
@@ -811,6 +818,7 @@ public class HeadersController extends TransactionFormController implements Init
 
         blockHeightField.managedProperty().bind(blockHeightField.visibleProperty());
         blockTimestampField.managedProperty().bind(blockTimestampField.visibleProperty());
+        signedByField.managedProperty().bind(signedByField.visibleProperty());
 
         if(blockTransaction.getHeight() > 0) {
             blockHeightField.setVisible(true);
@@ -828,6 +836,19 @@ public class HeadersController extends TransactionFormController implements Init
         } else {
             blockTimestampField.setVisible(false);
         }
+
+        if(headersForm.getWalletTransaction() != null && headersForm.getWalletTransaction().getWallet() != null
+                && headersForm.getWalletTransaction().getWallet().getPolicyType() == PolicyType.MULTI
+                && headersForm.getWalletTransaction().getWallet().getDefaultPolicy().getNumSignaturesRequired() < headersForm.getWalletTransaction().getWallet().getKeystores().size()) {
+            signedByField.setVisible(true);
+            Wallet wallet = headersForm.getWalletTransaction().getWallet();
+            Map<TransactionInput, Map<TransactionSignature, Keystore>> signedKeystores = wallet.getSignedKeystores(blockTransaction.getTransaction());
+            StringJoiner joiner = new StringJoiner(", ");
+            signedKeystores.values().stream().flatMap(map -> map.values().stream()).distinct().forEach(keystore -> joiner.add(keystore.getLabel()));
+            signedBy.setText(joiner.toString());
+        } else {
+            signedByField.setVisible(false);
+        }
     }
 
     private void initializeSignButton(Wallet signingWallet) {
@@ -1478,6 +1499,7 @@ public class HeadersController extends TransactionFormController implements Init
             errorGlyph.getStyleClass().add("failure");
             blockHeightField.setVisible(false);
             blockTimestampField.setVisible(false);
+            signedByField.setVisible(false);
         }
     }
 

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

@@ -329,6 +329,10 @@ HorizontalHeaderColumn > TableColumnHeader.column-header.table-column{
     -fx-stroke: #696c77;
 }
 
+#blockchainForm #blockStatus {
+    -fx-text-fill: white;
+}
+
 .root .progress-indicator.progress-timer.warn > .determinate-indicator > .indicator {
     -fx-background-color: -fx-box-border, radial-gradient(center 50% 50%, radius 50%, #e06c75 70%, derive(-fx-control-inner-background, -9%) 100%);
 }

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

@@ -196,6 +196,9 @@
                 <Field fx:id="blockTimestampField" text="Timestamp:">
                     <CopyableLabel fx:id="blockTimestamp" />
                 </Field>
+                <Field fx:id="signedByField" text="Signed by:">
+                    <CopyableLabel fx:id="signedBy" />
+                </Field>
             </Fieldset>
         </DynamicForm>
         <Form fx:id="blockchainSpacerForm" GridPane.columnIndex="1" GridPane.rowIndex="0" visible="false">