fix: handle extra updates for internal payments

lnbits/core/crud.py

@@ -452,18 +452,27 @@ async def update_payment_details(
 
 
 async def update_payment_extra(
-    payment_hash: str,
+    hash: str,
     extra: dict,
+    outgoing: bool = False,
+    incoming: bool = False,
     conn: Optional[Connection] = None,
 ) -> None:
     """
     Only update the `extra` field for the payment.
     Old values in the `extra` JSON object will be kept unless the new `extra` overwrites them.
     """
+    amount_clause = ""
+
+    if outgoing != incoming:
+        if outgoing:
+            amount_clause = "AND amount < 0"
+        else:
+            amount_clause = "AND amount > 0"
 
     row = await (conn or db).fetchone(
-        "SELECT hash, extra from apipayments WHERE hash = ?",
-        (payment_hash,),
+        f"SELECT hash, extra from apipayments WHERE hash = ? {amount_clause}",
+        (hash,),
     )
     if not row:
         return
@@ -471,11 +480,8 @@ async def update_payment_extra(
     db_extra.update(extra)
 
     await (conn or db).execute(
-        """
-        UPDATE apipayments SET extra = ?
-        WHERE hash = ?
-        """,
-        (json.dumps(db_extra), payment_hash),
+        f"UPDATE apipayments SET extra = ? WHERE hash = ? {amount_clause} ",
+        (json.dumps(db_extra), hash),
     )