quick fixes from comments

models/gold/core/core__fact_transactions.sql

@@ -79,6 +79,7 @@ SELECT
         fee,
         0
     ) AS fee,
+    b.fee_payer,
     {{ dbt_utils.generate_surrogate_key(['a.tx_id']) }} AS fact_transactions_id,
     SYSDATE() AS inserted_timestamp,
     SYSDATE() AS modified_timestamp,

models/gold/stats/stats__ez_core_metrics_hourly.sql

@@ -22,4 +22,14 @@ SELECT
     inserted_timestamp,
     modified_timestamp
 FROM
-    {{ ref('silver_stats__core_metrics_hourly') }}
+    {{ ref('silver_stats__core_metrics_hourly') }}
+
+{% if is_incremental() %}
+WHERE
+    block_timestamp_hour >= (
+        SELECT
+            MAX(block_timestamp_hour)
+        FROM
+            {{ this }}
+    ) - INTERVAL '1 hour'
+{% endif %}

models/silver/stats/silver_stats__core_metrics_hourly.sql

@@ -55,12 +55,8 @@ SELECT
     SYSDATE() AS inserted_timestamp,
     SYSDATE() AS modified_timestamp,
     '{{ invocation_id }}' AS _invocation_id
-
 FROM
     {{ ref('silver__transitions_fee') }} ts
-JOIN
-    {{ref ('silver__native_transfers')}} tf
-    USING(tx_id)
 WHERE
     DATE_TRUNC('hour', ts.block_timestamp) < DATE_TRUNC(
         'hour',