add advanced transaction filters and export

app/backend/src/transactions/dto/transaction.dto.ts

@@ -65,6 +65,18 @@ export class TransactionItemDto {
   @ApiProperty({ example: "2026-02-21T08:00:00Z" })
   timestamp: string;
 
+  @ApiProperty({ example: "GABCD...1234", description: "Source account" })
+  source: string;
+
+  @ApiProperty({ example: "GDCBA...4321", description: "Destination account" })
+  destination: string;
+
+  @ApiProperty({
+    example: "Success",
+    description: "Transaction status (Success or Pending)",
+  })
+  status: "Success" | "Pending";
+
   @ApiProperty({ example: "6852...a341" })
   txHash: string;
 

app/backend/src/transactions/horizon.service.ts

@@ -152,11 +152,19 @@ export class HorizonService {
                             assetString = `${payment.asset_code}:${payment.asset_issuer}`;
                         }
 
+                        const isSuccessful =
+                            'transaction_successful' in payment
+                                ? Boolean(payment.transaction_successful)
+                                : true;
+
                         return {
                             amount: payment.amount,
                             asset: assetString,
                             memo,
                             timestamp: payment.created_at,
+                            source: payment.from,
+                            destination: payment.to,
+                            status: isSuccessful ? 'Success' : 'Pending',
                             txHash: payment.transaction_hash,
                             pagingToken: payment.paging_token,
                         };
@@ -272,4 +280,4 @@ export class HorizonService {
         this.backoffCache.clear();
         this.logger.debug('Cache cleared');
     }
-}
+}

app/mobile/__tests__/Transactions.test.tsx

@@ -9,6 +9,27 @@ jest.mock('expo-router', () => ({
     useRouter: () => ({ back: jest.fn() }),
 }));
 
+jest.mock('@shopify/flash-list', () => {
+    const React = require('react');
+    const { FlatList } = require('react-native');
+    return {
+        FlashList: React.forwardRef((props: unknown, ref: unknown) => (
+            <FlatList ref={ref} {...(props as object)} />
+        )),
+    };
+});
+
+jest.mock('expo-file-system', () => ({
+    cacheDirectory: 'file://cache/',
+    writeAsStringAsync: jest.fn(),
+    EncodingType: { UTF8: 'utf8' },
+}));
+
+jest.mock('expo-sharing', () => ({
+    isAvailableAsync: jest.fn(() => Promise.resolve(false)),
+    shareAsync: jest.fn(),
+}));
+
 // ── Hook mock ─────────────────────────────────────────────────────────────
 
 const mockUseTransactions = jest.fn();