feat: resolve and persist actual order venue

trex_core/adapters/persistence/postgresql.py

@@ -285,13 +285,25 @@ class PostgreSQLSlotRepository:
                 )
                 return [self._row_to_slot(r) for r in cur.fetchall()]
 
-    def mark_dispatched(self, slot_id: UUID, broker_order_id: str) -> bool:
+    def mark_dispatched(
+        self,
+        slot_id: UUID,
+        broker_order_id: str,
+        *,
+        venue: Optional[str] = None,
+    ) -> bool:
         with self._psycopg.connect(self._dsn, autocommit=False) as conn:
             with conn.cursor() as cur:
                 cur.execute(
-                    "UPDATE daily_slot SET broker_order_id=%s, updated_at=%s "
+                    "UPDATE daily_slot SET broker_order_id=%s, "
+                    "venue=COALESCE(%s, venue), updated_at=%s "
                     "WHERE slot_id=%s AND broker_order_id IS NULL",
-                    (broker_order_id, datetime.now(tz=timezone.utc), slot_id),
+                    (
+                        broker_order_id,
+                        venue,
+                        datetime.now(tz=timezone.utc),
+                        slot_id,
+                    ),
                 )
                 ok = cur.rowcount == 1
                 conn.commit()
@@ -456,7 +468,7 @@ class _PgIntentRecord:
 _OUTBOX_COLUMNS = (
     "correlation_id, asset_id, order_id, execution_id, side, qty, price, "
     "fee, tax, executed_at, status, attempts, last_outcome, last_error, "
-    "created_at, updated_at, next_retry_at"
+    "created_at, updated_at, next_retry_at, venue"
 )
 
 
@@ -473,8 +485,8 @@ class PostgreSQLLedgerOutbox:
                 cur.execute(
                     "INSERT INTO ledger_outbox "
                     "(correlation_id, asset_id, order_id, execution_id, side, "
-                    " qty, price, fee, tax, executed_at) "
-                    "VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s) "
+                    " qty, price, fee, tax, executed_at, venue) "
+                    "VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s) "
                     "ON CONFLICT (correlation_id) DO NOTHING",
                     (
                         trade.correlation_id,
@@ -487,6 +499,7 @@ class PostgreSQLLedgerOutbox:
                         trade.fee,
                         trade.tax,
                         trade.executed_at,
+                        trade.venue,
                     ),
                 )
                 conn.commit()
@@ -590,6 +603,7 @@ class PostgreSQLLedgerOutbox:
             fee=f(row[7]),
             tax=f(row[8]),
             executed_at=row[9],
+            venue=row[17],
         )
         return LedgerWorkItem(
             correlation_id=row[0],