Init agents and channels with migration

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/lib.rs

@@ -81,13 +81,13 @@ pub use sp_consensus_aura::sr25519::AuthorityId as AuraId;
 pub use sp_runtime::{MultiAddress, Perbill, Permill};
 use xcm::VersionedMultiLocation;
 use xcm_config::{TreasuryAccount, XcmOriginToTransactDispatchOrigin, XcmRouter};
-
 use bp_runtime::HeaderId;
 
 #[cfg(any(feature = "std", test))]
 pub use sp_runtime::BuildStorage;
 
 use polkadot_runtime_common::{BlockHashCount, SlowAdjustingFeeUpdate};
+use rococo_runtime_constants::system_parachain::{ASSET_HUB_ID, BRIDGE_HUB_ID};
 use xcm::latest::prelude::*;
 
 use weights::{BlockExecutionWeight, ExtrinsicBaseWeight, RocksDbWeight};
@@ -151,6 +151,12 @@ pub type Migrations = (
 	pallet_multisig::migrations::v1::MigrateToV1<Runtime>,
 	InitStorageVersions,
 	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
+	// unreleased
+	snowbridge_system::migration::v0::InitializeOnUpgrade<
+		Runtime,
+		ConstU32<BRIDGE_HUB_ID>,
+		ConstU32<ASSET_HUB_ID>,
+	>,
 );
 
 /// Migration to initialize storage versions for pallets added after genesis.