[cumulus] Improved check for sane bridge fees calculations (#3175)

## TODO
- [x] change constants when CI fails (should fail :) )

## Result

On the AssetHubRococo: 1701175800126 -> 1700929825257 = 0.15 %
decreased.
```
# Before ( [xcm] Fix `SovereignPaidRemoteExporter` and `DepositAsset` handling (#3157))
Feb 02 12:59:05.520 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1701175800126 for runtime: statemine-1006000 (statemine-0.tx14.au1)    

# After
Feb 02 13:02:40.647 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1700929825257 for runtime: statemine-1006000 (statemine-0.tx14.au1)    

```

On the AssetHubWestend: 2116038876326 -> 1641718372993 = 22.4 %
decreased.
```
# Before ( [xcm] Fix `SovereignPaidRemoteExporter` and `DepositAsset` handling (#3157))
Feb 02 12:56:00.880 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 2116038876326 for runtime: westmint-1006000 (westmint-0.tx14.au1)    


# After
Feb 02 13:04:42.515 ERROR bridges::estimate: `bridging::XcmBridgeHubRouterBaseFee` actual value: 1641718372993 for runtime: westmint-1006000 (westmint-0.tx14.au1)    
```

bridges/primitives/chain-bridge-hub-rococo/src/lib.rs

@@ -99,13 +99,13 @@ frame_support::parameter_types! {
 	/// The XCM fee that is paid for executing XCM program (with `ExportMessage` instruction) at the Rococo
 	/// BridgeHub.
 	/// (initially was calculated by test `BridgeHubRococo::can_calculate_weight_for_paid_export_message_with_reserve_transfer` + `33%`)
-	pub const BridgeHubRococoBaseXcmFeeInRocs: u128 = 1_640_102_205;
+	pub const BridgeHubRococoBaseXcmFeeInRocs: u128 = 59_034_266;
 
 	/// Transaction fee that is paid at the Rococo BridgeHub for delivering single inbound message.
 	/// (initially was calculated by test `BridgeHubRococo::can_calculate_fee_for_complex_message_delivery_transaction` + `33%`)
 	pub const BridgeHubRococoBaseDeliveryFeeInRocs: u128 = 5_651_581_649;
 
 	/// Transaction fee that is paid at the Rococo BridgeHub for delivering single outbound message confirmation.
 	/// (initially was calculated by test `BridgeHubRococo::can_calculate_fee_for_complex_message_confirmation_transaction` + `33%`)
-	pub const BridgeHubRococoBaseConfirmationFeeInRocs: u128 = 4_045_736_577;
+	pub const BridgeHubRococoBaseConfirmationFeeInRocs: u128 = 5_380_829_647;
 }

bridges/primitives/chain-bridge-hub-westend/src/lib.rs

@@ -90,7 +90,7 @@ frame_support::parameter_types! {
 	/// The XCM fee that is paid for executing XCM program (with `ExportMessage` instruction) at the Westend
 	/// BridgeHub.
 	/// (initially was calculated by test `BridgeHubWestend::can_calculate_weight_for_paid_export_message_with_reserve_transfer` + `33%`)
-	pub const BridgeHubWestendBaseXcmFeeInWnds: u128 = 492_077_333_333;
+	pub const BridgeHubWestendBaseXcmFeeInWnds: u128 = 17_756_830_000;
 
 	/// Transaction fee that is paid at the Westend BridgeHub for delivering single inbound message.
 	/// (initially was calculated by test `BridgeHubWestend::can_calculate_fee_for_complex_message_delivery_transaction` + `33%`)

cumulus/parachains/runtimes/assets/asset-hub-rococo/tests/tests.rs

@@ -1263,6 +1263,12 @@ fn change_xcm_bridge_hub_router_base_fee_by_governance_works() {
 		1000,
 		Box::new(|call| RuntimeCall::System(call).encode()),
 		|| {
+			log::error!(
+				target: "bridges::estimate",
+				"`bridging::XcmBridgeHubRouterBaseFee` actual value: {} for runtime: {}",
+				bridging::XcmBridgeHubRouterBaseFee::get(),
+				<Runtime as frame_system::Config>::Version::get(),
+			);
 			(
 				bridging::XcmBridgeHubRouterBaseFee::key().to_vec(),
 				bridging::XcmBridgeHubRouterBaseFee::get(),
@@ -1289,6 +1295,12 @@ fn change_xcm_bridge_hub_ethereum_base_fee_by_governance_works() {
 		1000,
 		Box::new(|call| RuntimeCall::System(call).encode()),
 		|| {
+			log::error!(
+				target: "bridges::estimate",
+				"`bridging::BridgeHubEthereumBaseFee` actual value: {} for runtime: {}",
+				bridging::to_ethereum::BridgeHubEthereumBaseFee::get(),
+				<Runtime as frame_system::Config>::Version::get(),
+			);
 			(
 				bridging::to_ethereum::BridgeHubEthereumBaseFee::key().to_vec(),
 				bridging::to_ethereum::BridgeHubEthereumBaseFee::get(),

cumulus/parachains/runtimes/assets/asset-hub-westend/tests/tests.rs

@@ -1209,6 +1209,38 @@ fn change_xcm_bridge_hub_router_byte_fee_by_governance_works() {
 	)
 }
 
+#[test]
+fn change_xcm_bridge_hub_router_base_fee_by_governance_works() {
+	asset_test_utils::test_cases::change_storage_constant_by_governance_works::<
+		Runtime,
+		bridging::XcmBridgeHubRouterBaseFee,
+		Balance,
+	>(
+		collator_session_keys(),
+		1000,
+		Box::new(|call| RuntimeCall::System(call).encode()),
+		|| {
+			log::error!(
+				target: "bridges::estimate",
+				"`bridging::XcmBridgeHubRouterBaseFee` actual value: {} for runtime: {}",
+				bridging::XcmBridgeHubRouterBaseFee::get(),
+				<Runtime as frame_system::Config>::Version::get(),
+			);
+			(
+				bridging::XcmBridgeHubRouterBaseFee::key().to_vec(),
+				bridging::XcmBridgeHubRouterBaseFee::get(),
+			)
+		},
+		|old_value| {
+			if let Some(new_value) = old_value.checked_add(1) {
+				new_value
+			} else {
+				old_value.checked_sub(1).unwrap()
+			}
+		},
+	)
+}
+
 #[test]
 fn reserve_transfer_native_asset_to_non_teleport_para_works() {
 	asset_test_utils::test_cases::reserve_transfer_native_asset_to_non_teleport_para_works::<

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/tests/tests.rs

@@ -34,7 +34,7 @@ use sp_core::H160;
 use sp_keyring::AccountKeyring::Alice;
 use sp_runtime::{
 	generic::{Era, SignedPayload},
-	AccountId32,
+	AccountId32, Perbill,
 };
 use testnet_parachains_constants::rococo::{
 	consensus::RELAY_CHAIN_SLOT_DURATION_MILLIS, fee::WeightToFee,
@@ -400,53 +400,61 @@ mod bridge_hub_westend_tests {
 
 	#[test]
 	pub fn can_calculate_weight_for_paid_export_message_with_reserve_transfer() {
-		let estimated = bridge_hub_test_utils::test_cases::can_calculate_weight_for_paid_export_message_with_reserve_transfer::<
-			Runtime,
-			XcmConfig,
-			WeightToFee,
-		>();
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs` value",
-			estimated,
-			max_expected
-		);
+		bridge_hub_test_utils::check_sane_fees_values(
+			"bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs",
+			bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs::get(),
+			|| {
+				bridge_hub_test_utils::test_cases::can_calculate_weight_for_paid_export_message_with_reserve_transfer::<
+					Runtime,
+					XcmConfig,
+					WeightToFee,
+				>()
+			},
+			Perbill::from_percent(33),
+			Some(-33),
+			&format!(
+				"Estimate fee for `ExportMessage` for runtime: {:?}",
+				<Runtime as frame_system::Config>::Version::get()
+			),
+		)
 	}
 
 	#[test]
 	pub fn can_calculate_fee_for_complex_message_delivery_transaction() {
-		let estimated = from_parachain::can_calculate_fee_for_complex_message_delivery_transaction::<
-			RuntimeTestsAdapter,
-		>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs` value",
-			estimated,
-			max_expected
-		);
+		bridge_hub_test_utils::check_sane_fees_values(
+			"bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs",
+			bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs::get(),
+			|| {
+				from_parachain::can_calculate_fee_for_complex_message_delivery_transaction::<
+					RuntimeTestsAdapter,
+				>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+			},
+			Perbill::from_percent(33),
+			Some(-33),
+			&format!(
+				"Estimate fee for `single message delivery` for runtime: {:?}",
+				<Runtime as frame_system::Config>::Version::get()
+			),
+		)
 	}
 
 	#[test]
 	pub fn can_calculate_fee_for_complex_message_confirmation_transaction() {
-		let estimated =
-			from_parachain::can_calculate_fee_for_complex_message_confirmation_transaction::<
-				RuntimeTestsAdapter,
-			>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs` value",
-			estimated,
-			max_expected
-		);
+		bridge_hub_test_utils::check_sane_fees_values(
+			"bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs",
+			bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs::get(),
+			|| {
+				from_parachain::can_calculate_fee_for_complex_message_confirmation_transaction::<
+					RuntimeTestsAdapter,
+				>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+			},
+			Perbill::from_percent(33),
+			Some(-33),
+			&format!(
+				"Estimate fee for `single message confirmation` for runtime: {:?}",
+				<Runtime as frame_system::Config>::Version::get()
+			),
+		)
 	}
 }
 
@@ -594,55 +602,43 @@ mod bridge_hub_bulletin_tests {
 		);
 	}
 
-	#[test]
-	pub fn can_calculate_weight_for_paid_export_message_with_reserve_transfer() {
-		let estimated = bridge_hub_test_utils::test_cases::can_calculate_weight_for_paid_export_message_with_reserve_transfer::<
-			Runtime,
-			XcmConfig,
-			WeightToFee,
-		>();
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseXcmFeeInRocs` value",
-			estimated,
-			max_expected
-		);
-	}
-
 	#[test]
 	pub fn can_calculate_fee_for_complex_message_delivery_transaction() {
-		let estimated =
-			from_grandpa_chain::can_calculate_fee_for_complex_message_delivery_transaction::<
-				RuntimeTestsAdapter,
-			>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs` value",
-			estimated,
-			max_expected
-		);
+		bridge_hub_test_utils::check_sane_fees_values(
+			"bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs",
+			bp_bridge_hub_rococo::BridgeHubRococoBaseDeliveryFeeInRocs::get(),
+			|| {
+				from_grandpa_chain::can_calculate_fee_for_complex_message_delivery_transaction::<
+					RuntimeTestsAdapter,
+				>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+			},
+			Perbill::from_percent(33),
+			None, /* we don't want lowering according to the Bulletin setup, because
+			       * `from_grandpa_chain` is cheaper then `from_parachain_chain` */
+			&format!(
+				"Estimate fee for `single message delivery` for runtime: {:?}",
+				<Runtime as frame_system::Config>::Version::get()
+			),
+		)
 	}
 
 	#[test]
 	pub fn can_calculate_fee_for_complex_message_confirmation_transaction() {
-		let estimated =
-			from_grandpa_chain::can_calculate_fee_for_complex_message_confirmation_transaction::<
-				RuntimeTestsAdapter,
-			>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-		// check if estimated value is sane
-		let max_expected = bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs::get();
-		assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs` value",
-			estimated,
-			max_expected
-		);
+		bridge_hub_test_utils::check_sane_fees_values(
+			"bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs",
+			bp_bridge_hub_rococo::BridgeHubRococoBaseConfirmationFeeInRocs::get(),
+			|| {
+				from_grandpa_chain::can_calculate_fee_for_complex_message_confirmation_transaction::<
+					RuntimeTestsAdapter,
+				>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+			},
+			Perbill::from_percent(33),
+			None, /* we don't want lowering according to the Bulletin setup, because
+			       * `from_grandpa_chain` is cheaper then `from_parachain_chain` */
+			&format!(
+				"Estimate fee for `single message confirmation` for runtime: {:?}",
+				<Runtime as frame_system::Config>::Version::get()
+			),
+		)
 	}
 }

cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/tests/tests.rs

@@ -38,7 +38,7 @@ use sp_consensus_aura::SlotDuration;
 use sp_keyring::AccountKeyring::Alice;
 use sp_runtime::{
 	generic::{Era, SignedPayload},
-	AccountId32,
+	AccountId32, Perbill,
 };
 use testnet_parachains_constants::westend::{
 	consensus::RELAY_CHAIN_SLOT_DURATION_MILLIS, fee::WeightToFee,
@@ -295,50 +295,59 @@ pub fn complex_relay_extrinsic_works() {
 
 #[test]
 pub fn can_calculate_weight_for_paid_export_message_with_reserve_transfer() {
-	let estimated = bridge_hub_test_utils::test_cases::can_calculate_weight_for_paid_export_message_with_reserve_transfer::<
+	bridge_hub_test_utils::check_sane_fees_values(
+		"bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds",
+		bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds::get(),
+		|| {
+			bridge_hub_test_utils::test_cases::can_calculate_weight_for_paid_export_message_with_reserve_transfer::<
 			Runtime,
 			XcmConfig,
 			WeightToFee,
-		>();
-
-	// check if estimated value is sane
-	let max_expected = bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds::get();
-	assert!(
-			estimated <= max_expected,
-			"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds` value",
-			estimated,
-			max_expected
-		);
+		>()
+		},
+		Perbill::from_percent(33),
+		Some(-33),
+		&format!(
+			"Estimate fee for `ExportMessage` for runtime: {:?}",
+			<Runtime as frame_system::Config>::Version::get()
+		),
+	)
 }
 
 #[test]
 pub fn can_calculate_fee_for_complex_message_delivery_transaction() {
-	let estimated = from_parachain::can_calculate_fee_for_complex_message_delivery_transaction::<
-		RuntimeTestsAdapter,
-	>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-	// check if estimated value is sane
-	let max_expected = bp_bridge_hub_westend::BridgeHubWestendBaseDeliveryFeeInWnds::get();
-	assert!(
-		estimated <= max_expected,
-		"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_westend::BridgeHubWestendBaseDeliveryFeeInWnds` value",
-		estimated,
-		max_expected
-	);
+	bridge_hub_test_utils::check_sane_fees_values(
+		"bp_bridge_hub_westend::BridgeHubWestendBaseDeliveryFeeInWnds",
+		bp_bridge_hub_westend::BridgeHubWestendBaseDeliveryFeeInWnds::get(),
+		|| {
+			from_parachain::can_calculate_fee_for_complex_message_delivery_transaction::<
+				RuntimeTestsAdapter,
+			>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+		},
+		Perbill::from_percent(33),
+		Some(-33),
+		&format!(
+			"Estimate fee for `single message delivery` for runtime: {:?}",
+			<Runtime as frame_system::Config>::Version::get()
+		),
+	)
 }
 
 #[test]
 pub fn can_calculate_fee_for_complex_message_confirmation_transaction() {
-	let estimated = from_parachain::can_calculate_fee_for_complex_message_confirmation_transaction::<
-		RuntimeTestsAdapter,
-	>(collator_session_keys(), construct_and_estimate_extrinsic_fee);
-
-	// check if estimated value is sane
-	let max_expected = bp_bridge_hub_westend::BridgeHubWestendBaseConfirmationFeeInWnds::get();
-	assert!(
-		estimated <= max_expected,
-		"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_westend::BridgeHubWestendBaseConfirmationFeeInWnds` value",
-		estimated,
-		max_expected
-	);
+	bridge_hub_test_utils::check_sane_fees_values(
+		"bp_bridge_hub_westend::BridgeHubWestendBaseConfirmationFeeInWnds",
+		bp_bridge_hub_westend::BridgeHubWestendBaseConfirmationFeeInWnds::get(),
+		|| {
+			from_parachain::can_calculate_fee_for_complex_message_confirmation_transaction::<
+				RuntimeTestsAdapter,
+			>(collator_session_keys(), construct_and_estimate_extrinsic_fee)
+		},
+		Perbill::from_percent(33),
+		Some(-33),
+		&format!(
+			"Estimate fee for `single message confirmation` for runtime: {:?}",
+			<Runtime as frame_system::Config>::Version::get()
+		),
+	)
 }