Add delivery fees to encointer and people chains (#390)

Fixes #388.

While working on #380 I
noticed `Encointer`, `PeopleKusama` and `PeoplePolkadot` didn't have
delivery fees setup for UMP.
In most cases, the types were created but not used.
This PR uses them.

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Added
 
 - Kusama: Relay General Admin Origin mapping to xcm Location ([polkadot-fellows/runtimes#383](https://github.com/polkadot-fellows/runtimes/pull/383))
+- Encointer, PeopleKusama, PeoplePolkadot: Configure delivery fees for UMP ([polkadot-fellows/runtimes#390](https://github.com/polkadot-fellows/runtimes/pull/390))
 
 ### Changed
 

system-parachains/encointer/src/xcm_config.rs

@@ -16,8 +16,9 @@
 //! Almost identical to ../asset-hubs/asset-hub-kusama
 
 use super::{
-	AccountId, Balances, CollatorSelection, ParachainInfo, ParachainSystem, PolkadotXcm, Runtime,
-	RuntimeCall, RuntimeEvent, RuntimeOrigin, WeightToFee, XcmpQueue,
+	AccountId, Balances, CollatorSelection, FeeAssetId, ParachainInfo, ParachainSystem,
+	PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, RuntimeOrigin, ToParentBaseDeliveryFee,
+	TransactionByteFee, WeightToFee, XcmpQueue,
 };
 use frame_support::{
 	parameter_types,
@@ -198,11 +199,18 @@ impl xcm_executor::Config for XcmConfig {
 /// Forms the basis for local origins sending/executing XCMs.
 pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, RelayNetwork>;
 
+pub type PriceForParentDelivery = polkadot_runtime_common::xcm_sender::ExponentialPrice<
+	FeeAssetId,
+	ToParentBaseDeliveryFee,
+	TransactionByteFee,
+	ParachainSystem,
+>;
+
 /// The means for routing XCM messages which are not for local execution into the right message
 /// queues.
 pub type XcmRouter = (
 	// Two routers - use UMP to communicate with the relay chain:
-	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, ()>,
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, PriceForParentDelivery>,
 	// ..and XCMP to communicate with the sibling chains.
 	XcmpQueue,
 );

system-parachains/people/people-kusama/src/xcm_config.rs

@@ -243,7 +243,7 @@ pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, R
 /// queues.
 pub type XcmRouter = WithUniqueTopic<(
 	// Two routers - use UMP to communicate with the relay chain:
-	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, ()>,
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, PriceForParentDelivery>,
 	// ..and XCMP to communicate with the sibling chains.
 	XcmpQueue,
 )>;

system-parachains/people/people-polkadot/src/xcm_config.rs

@@ -266,7 +266,7 @@ pub type LocalOriginToLocation = SignedToAccountId32<RuntimeOrigin, AccountId, R
 /// queues.
 pub type XcmRouter = WithUniqueTopic<(
 	// Two routers - use UMP to communicate with the relay chain:
-	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, ()>,
+	cumulus_primitives_utility::ParentAsUmp<ParachainSystem, PolkadotXcm, PriceForParentDelivery>,
 	// ..and XCMP to communicate with the sibling chains.
 	XcmpQueue,
 )>;