[AHM] Remove migrator pallets (mostly)

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Added
+
+- Runtime API view function for accessing the Asset Hub Migration start and end blocks ([#1016](https://github.com/polkadot-fellows/runtimes/pull/1016))
+
 ### Fixed
 
 - [encointer] updated hardcoded remote execution weight for AHK [1124](https://github.com/polkadot-fellows/runtimes/pull/1124)
@@ -111,6 +115,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Add fast runtime feature for Encointer Kusama([#1021](https://github.com/polkadot-fellows/runtimes/pull/1021))
 - asset-hub-polkadot: use inmemorydb weights([polkadot-fellows/runtimes/pull/918](https://github.com/polkadot-fellows/runtimes/pull/1025))
 
+### Removed
+
+- Removed most of the Asset Hub Migration code ([#1016](https://github.com/polkadot-fellows/runtimes/pull/1016))
+
 ## [2.0.3] 21.11.2025
 
 ### Added

Cargo.toml

@@ -6,7 +6,6 @@ repository = "https://github.com/polkadot-fellows/runtimes.git"
 license = "GPL-3.0-only"                                        # TODO <https://github.com/polkadot-fellows/runtimes/issues/29>
 
 [workspace.dependencies]
-pallet-ah-migrator = { path = "pallets/ah-migrator", default-features = false }
 pallet-rc-migrator = { path = "pallets/rc-migrator", default-features = false }
 pallet-ah-ops = { path = "pallets/ah-ops", default-features = false }
 pallet-election-provider-multi-block = { version = "0.6.1", default-features = false }
@@ -319,7 +318,6 @@ members = [
 	"integration-tests/emulated/tests/people/people-kusama",
 	"integration-tests/emulated/tests/people/people-polkadot",
 	"integration-tests/zombienet",
-	"pallets/ah-migrator",
 	"pallets/ah-ops",
 	"pallets/rc-migrator",
 	"pallets/remote-proxy",

integration-tests/emulated/chains/parachains/assets/asset-hub-kusama/Cargo.toml

@@ -16,7 +16,6 @@ sp-keyring = { workspace = true }
 frame-support = { workspace = true, default-features = true }
 
 # Pallets
-pallet-ah-migrator = { workspace = true, default-features = true }
 
 # Cumulus
 assets-common = { workspace = true, default-features = true }
@@ -44,7 +43,6 @@ runtime-benchmarks = [
 	"frame-support/runtime-benchmarks",
 	"integration-tests-helpers/runtime-benchmarks",
 	"kusama-emulated-chain/runtime-benchmarks",
-	"pallet-ah-migrator/runtime-benchmarks",
 	"parachains-common/runtime-benchmarks",
 	"penpal-emulated-chain/runtime-benchmarks",
 	"polkadot-parachain-primitives/runtime-benchmarks",

integration-tests/emulated/chains/parachains/assets/asset-hub-kusama/src/genesis.rs

@@ -17,7 +17,6 @@
 use sp_keyring::Sr25519Keyring as Keyring;
 
 // Cumulus
-use codec::Encode;
 use emulated_integration_tests_common::{
 	accounts, build_genesis_storage, collators, xcm_emulator::ConvertLocation, PenpalALocation,
 	PenpalASiblingSovereignAccount, PenpalATeleportableAssetLocation, PenpalBLocation,
@@ -140,19 +139,8 @@ pub fn genesis() -> sp_core::storage::Storage {
 		..Default::default()
 	};
 
-	let mut storage = build_genesis_storage(
+	build_genesis_storage(
 		&genesis_config,
 		asset_hub_kusama_runtime::WASM_BINARY.expect("WASM binary was not built, please build it!"),
-	);
-
-	// Set AH migration stage to MigrationDone so teleport tracking is enabled
-	// and the checking account is used for teleport operations.
-	use frame_support::storage::generator::StorageValue as _;
-	let key = pallet_ah_migrator::AhMigrationStage::<
-		asset_hub_kusama_runtime::Runtime,
-	>::storage_value_final_key();
-	let value = pallet_ah_migrator::MigrationStage::MigrationDone;
-	storage.top.insert(key.to_vec(), value.encode());
-
-	storage
+	)
 }

integration-tests/emulated/chains/parachains/assets/asset-hub-polkadot/Cargo.toml

@@ -26,7 +26,6 @@ polkadot-parachain-primitives = { workspace = true }
 
 # Runtimes
 asset-hub-polkadot-runtime = { workspace = true }
-pallet-ah-migrator = { workspace = true, default-features = true }
 polkadot-emulated-chain = { workspace = true }
 penpal-emulated-chain = { workspace = true }
 
@@ -43,7 +42,6 @@ runtime-benchmarks = [
 	"cumulus-primitives-core/runtime-benchmarks",
 	"frame-support/runtime-benchmarks",
 	"integration-tests-helpers/runtime-benchmarks",
-	"pallet-ah-migrator/runtime-benchmarks",
 	"parachains-common/runtime-benchmarks",
 	"penpal-emulated-chain/runtime-benchmarks",
 	"polkadot-emulated-chain/runtime-benchmarks",

integration-tests/emulated/chains/parachains/assets/asset-hub-polkadot/src/genesis.rs

@@ -17,7 +17,6 @@
 use sp_keyring::{Ed25519Keyring, Sr25519Keyring};
 
 // Cumulus
-use codec::Encode;
 use emulated_integration_tests_common::{
 	accounts, build_genesis_storage, xcm_emulator::ConvertLocation, PenpalALocation,
 	PenpalASiblingSovereignAccount, PenpalATeleportableAssetLocation, PenpalBLocation,
@@ -143,20 +142,9 @@ pub fn genesis() -> sp_core::storage::Storage {
 		..Default::default()
 	};
 
-	let mut storage = build_genesis_storage(
+	build_genesis_storage(
 		&genesis_config,
 		asset_hub_polkadot_runtime::WASM_BINARY
 			.expect("WASM binary was not built, please build it!"),
-	);
-
-	// Set AH migration stage to MigrationDone so teleport tracking is enabled
-	// and the checking account is used for teleport operations.
-	use frame_support::storage::generator::StorageValue as _;
-	let key = pallet_ah_migrator::AhMigrationStage::<
-		asset_hub_polkadot_runtime::Runtime,
-	>::storage_value_final_key();
-	let value = pallet_ah_migrator::MigrationStage::MigrationDone;
-	storage.top.insert(key.to_vec(), value.encode());
-
-	storage
+	)
 }