Adds unique IDs to receivable and revenue entries

Ensures unique identification for receivable and
revenue entries by generating a UUID and incorporating
it into a castle reference.

This enhances tracking and linking capabilities by
providing a consistent and easily identifiable
reference across the system.

views_api.py

@@ -915,6 +915,15 @@ async def api_create_receivable_entry(
     fiat_currency = metadata.get("fiat_currency") if metadata else None
     fiat_amount = Decimal(metadata.get("fiat_amount")) if metadata and metadata.get("fiat_amount") else None
 
+    # Generate unique entry ID for tracking
+    import uuid
+    entry_id = str(uuid.uuid4()).replace("-", "")[:16]
+
+    # Add castle ID as reference/link
+    castle_reference = f"castle-{entry_id}"
+    if data.reference:
+        castle_reference = f"{data.reference}-{entry_id}"
+
     # Format Beancount entry
     entry = format_receivable_entry(
         user_id=data.user_id,
@@ -925,7 +934,7 @@ async def api_create_receivable_entry(
         entry_date=datetime.now().date(),
         fiat_currency=fiat_currency,
         fiat_amount=fiat_amount,
-        reference=data.reference
+        reference=castle_reference  # Use castle reference with unique ID
     )
 
     # Submit to Fava
@@ -934,26 +943,26 @@ async def api_create_receivable_entry(
     # Return a JournalEntry-like response for compatibility
     from .models import EntryLine
     return JournalEntry(
-        id=f"fava-{datetime.now().timestamp()}",
+        id=entry_id,  # Use the generated castle entry ID
         description=data.description + description_suffix,
         entry_date=datetime.now(),
         created_by=wallet.wallet.id,
         created_at=datetime.now(),
-        reference=data.reference,
+        reference=castle_reference,  # Use castle reference with unique ID
         flag=JournalEntryFlag.PENDING,
         meta=entry_meta,
         lines=[
             EntryLine(
-                id=f"line-1-{datetime.now().timestamp()}",
+                id=f"line-1-{entry_id}",
-                journal_entry_id=f"fava-{datetime.now().timestamp()}",
+                journal_entry_id=entry_id,
                 account_id=user_receivable.id,
                 amount=amount_sats,
                 description=f"Amount owed by user {data.user_id[:8]}",
                 metadata=metadata or {}
             ),
             EntryLine(
-                id=f"line-2-{datetime.now().timestamp()}",
+                id=f"line-2-{entry_id}",
-                journal_entry_id=f"fava-{datetime.now().timestamp()}",
+                journal_entry_id=entry_id,
                 account_id=revenue_account.id,
                 amount=-amount_sats,
                 description="Revenue earned",
@@ -1021,6 +1030,15 @@ async def api_create_revenue_entry(
     # Format as Beancount entry and submit to Fava
     fava = get_fava_client()
 
+    # Generate unique entry ID for tracking
+    import uuid
+    entry_id = str(uuid.uuid4()).replace("-", "")[:16]
+
+    # Add castle ID as reference/link
+    castle_reference = f"castle-{entry_id}"
+    if data.reference:
+        castle_reference = f"{data.reference}-{entry_id}"
+
     entry = format_revenue_entry(
         payment_account=payment_account.name,
         revenue_account=revenue_account.name,
@@ -1029,36 +1047,34 @@ async def api_create_revenue_entry(
         entry_date=datetime.now().date(),
         fiat_currency=fiat_currency,
         fiat_amount=fiat_amount,
-        reference=data.reference
+        reference=castle_reference  # Use castle reference with unique ID
     )
 
     # Submit to Fava
     result = await fava.add_entry(entry)
     logger.info(f"Revenue entry submitted to Fava: {result.get('data', 'Unknown')}")
 
-    # Return mock JournalEntry for API compatibility
+    # Return JournalEntry for API compatibility
-    # TODO: Query Fava to get the actual entry back with its hash
-    timestamp = datetime.now().timestamp()
     return JournalEntry(
-        id=f"fava-{timestamp}",
+        id=entry_id,  # Use the generated castle entry ID
         description=data.description,
         entry_date=datetime.now(),
         created_by=wallet.wallet.id,
         created_at=datetime.now(),
-        reference=data.reference,
+        reference=castle_reference,  # Use castle reference with unique ID
         flag=JournalEntryFlag.CLEARED,  # Revenue entries are cleared
         lines=[
             EntryLine(
-                id=f"fava-{timestamp}-1",
+                id=f"line-1-{entry_id}",
-                journal_entry_id=f"fava-{timestamp}",
+                journal_entry_id=entry_id,
                 account_id=payment_account.id,
                 amount=amount_sats,
                 description="Payment received",
                 metadata={"fiat_currency": fiat_currency, "fiat_amount": str(fiat_amount)} if fiat_currency else {}
             ),
             EntryLine(
-                id=f"fava-{timestamp}-2",
+                id=f"line-2-{entry_id}",
-                journal_entry_id=f"fava-{timestamp}",
+                journal_entry_id=entry_id,
                 account_id=revenue_account.id,
                 amount=-amount_sats,
                 description="Revenue earned",