RuntimeAdjustedWeights type to handle weights override

runtime/shibuya/src/lib.rs

@@ -230,6 +230,19 @@ impl_opaque_keys! {
     }
 }
 
+// Adjusting the base extrinsic weight to account for the additional database
+// read introduced by the `tx-pause` pallet during extrinsic filtering.
+//
+// TODO: This hardcoded addition is a temporary fix. Replace it with a proper
+// benchmark in the future.
+pub struct RuntimeAdjustedWeights;
+impl RuntimeAdjustedWeights {
+    pub fn extrinsic_base_weight() -> Weight {
+        ExtrinsicBaseWeight::get()
+            .saturating_add(<Runtime as frame_system::Config>::DbWeight::get().reads(1))
+    }
+}
+
 /// We assume that ~10% of the block weight is consumed by `on_initalize` handlers.
 /// This is used to limit the maximal weight of a single extrinsic.
 const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(10);
@@ -249,12 +262,7 @@ parameter_types! {
     pub RuntimeBlockWeights: BlockWeights = BlockWeights::builder()
         .base_block(BlockExecutionWeight::get())
         .for_class(DispatchClass::all(), |weights| {
-            // Adjusting the base extrinsic weight to account for the additional database
-            // read introduced by the `tx-pause` pallet during extrinsic filtering.
-            //
-            // TODO: This hardcoded addition is a temporary fix. Replace it with a proper
-            // benchmark in the future.
-            weights.base_extrinsic = ExtrinsicBaseWeight::get().saturating_add(<Runtime as frame_system::Config>::DbWeight::get().reads(1));
+            weights.base_extrinsic = RuntimeAdjustedWeights::extrinsic_base_weight();
         })
         .for_class(DispatchClass::Normal, |weights| {
             weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
@@ -807,7 +815,7 @@ impl WeightToFeePolynomial for WeightToFee {
     type Balance = Balance;
     fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
         let p = WeightFeeFactor::get();
-        let q = Balance::from(ExtrinsicBaseWeight::get().ref_time());
+        let q = Balance::from(RuntimeAdjustedWeights::extrinsic_base_weight().ref_time());
         smallvec::smallvec![WeightToFeeCoefficient {
             degree: 1,
             negative: false,