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[testnet] Allow governance to control fees for Rococo <> Westend bridge (#2139)

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Right now governance could only control byte-fee component of Rococo <>
Westend message fees (paid at Asset Hubs). This PR changes it a bit:
1) governance now allowed to control both fee components - byte fee and
base fee;
2) base fee now includes cost of "default" delivery and confirmation
transactions, in addition to `ExportMessage` instruction cost.
This commit is contained in:
Svyatoslav Nikolsky
2023-11-03 11:32:41 +03:00
committed by GitHub
parent 15a3483881
commit 0d3c67d96b
16 changed files with 803 additions and 133 deletions
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cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/tests/tests.rs
+58 -5
View File
@@ -23,7 +23,7 @@ use bridge_hub_westend_runtime::{
xcm_config::{RelayNetwork, WestendLocation, XcmConfig},
AllPalletsWithoutSystem, BridgeRejectObsoleteHeadersAndMessages, Executive, ExistentialDeposit,
ParachainSystem, PolkadotXcm, Runtime, RuntimeCall, RuntimeEvent, SessionKeys, SignedExtra,
UncheckedExtrinsic,
TransactionPayment, UncheckedExtrinsic,
};
use bridge_to_rococo_config::{
BridgeGrandpaRococoInstance, BridgeHubRococoChainId, BridgeParachainRococoInstance,
@@ -31,7 +31,7 @@ use bridge_to_rococo_config::{
XCM_LANE_FOR_ASSET_HUB_WESTEND_TO_ASSET_HUB_ROCOCO,
};
use codec::{Decode, Encode};
use frame_support::parameter_types;
use frame_support::{dispatch::GetDispatchInfo, parameter_types};
use frame_system::pallet_prelude::HeaderFor;
use parachains_common::{westend::fee::WeightToFee, AccountId, AuraId, Balance};
use sp_keyring::AccountKeyring::Alice;
@@ -84,6 +84,13 @@ fn construct_and_apply_extrinsic(
r.unwrap()
}
fn construct_and_estimate_extrinsic_fee(batch: pallet_utility::Call<Runtime>) -> Balance {
let batch_call = RuntimeCall::Utility(batch);
let batch_info = batch_call.get_dispatch_info();
let xt = construct_extrinsic(Alice, batch_call);
TransactionPayment::compute_fee(xt.encoded_size() as _, &batch_info, 0)
}
fn executive_init_block(header: &HeaderFor<Runtime>) {
Executive::initialize_block(header)
}
@@ -182,7 +189,7 @@ fn handle_export_message_from_system_parachain_add_to_outbound_queue_works() {
XCM_LANE_FOR_ASSET_HUB_WESTEND_TO_ASSET_HUB_ROCOCO,
Some((WestendLocation::get(), ExistentialDeposit::get()).into()),
// value should be >= than value generated by `can_calculate_weight_for_paid_export_message_with_reserve_transfer`
Some((WestendLocation::get(), bp_asset_hub_westend::BridgeHubWestendBaseFeeInWnds::get()).into()),
Some((WestendLocation::get(), bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds::get()).into()),
|| (),
)
}
@@ -275,11 +282,57 @@ pub fn can_calculate_weight_for_paid_export_message_with_reserve_transfer() {
>();
// check if estimated value is sane
let max_expected = bp_asset_hub_westend::BridgeHubWestendBaseFeeInWnds::get();
let max_expected = bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds::get();
assert!(
estimated <= max_expected,
"calculated: {:?}, max_expected: {:?}, please adjust `bp_asset_hub_westend::BridgeHubWestendBaseFeeInWnds` value",
"calculated: {:?}, max_expected: {:?}, please adjust `bp_bridge_hub_westend::BridgeHubWestendBaseXcmFeeInWnds` value",
estimated,
max_expected
);
}
#[test]
pub fn can_calculate_fee_for_complex_message_delivery_transaction() {
let estimated = bridge_hub_test_utils::test_cases::can_calculate_fee_for_complex_message_delivery_transaction::<
Runtime,
BridgeGrandpaRococoInstance,
BridgeParachainRococoInstance,
WithBridgeHubRococoMessagesInstance,
WithBridgeHubRococoMessageBridge,
>(
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
);
}
#[test]
pub fn can_calculate_fee_for_complex_message_confirmation_transaction() {
let estimated = bridge_hub_test_utils::test_cases::can_calculate_fee_for_complex_message_confirmation_transaction::<
Runtime,
BridgeGrandpaRococoInstance,
BridgeParachainRococoInstance,
WithBridgeHubRococoMessagesInstance,
WithBridgeHubRococoMessageBridge,
>(
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
);
}