Make weight_to_fee work in the solo chain (#219)

It has been reported an issue (use-ink/ink#1985) that weight_to_fee always returns zero in end-to-end tests. This pull request adds `type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>` to make it work.
paritytech · Nov 28, 2023 · f1d8389 · f1d8389
1 parent 2410dd3
commit f1d8389
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
@@ -41,6 +41,9 @@ sp-transaction-pool = { workspace = true }
 sp-version = { workspace = true }
 sp-genesis-builder = { workspace = true }
 
+# Polkadot
+polkadot-runtime-common = { workspace = true }
+
 # extra deps for setting up pallet-contracts
 pallet-contracts = { workspace = true }
 pallet-authorship  = { workspace = true }

diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
@@ -11,6 +11,7 @@ mod contracts_config;
 
 use frame_support::dispatch::DispatchClass;
 use frame_system::limits::{BlockLength, BlockWeights};
+use polkadot_runtime_common::SlowAdjustingFeeUpdate;
 use sp_api::impl_runtime_apis;
 use sp_core::{crypto::KeyTypeId, OpaqueMetadata};
 use sp_runtime::{
@@ -269,7 +270,7 @@ impl pallet_transaction_payment::Config for Runtime {
 	type OperationalFeeMultiplier = ConstU8<5>;
 	type WeightToFee = IdentityFee<Balance>;
 	type LengthToFee = IdentityFee<Balance>;
-	type FeeMultiplierUpdate = ();
+	type FeeMultiplierUpdate = SlowAdjustingFeeUpdate<Self>;
 }
 
 impl pallet_sudo::Config for Runtime {