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// Copyright 2022 Parity Technologies (UK) Ltd.
// This file is part of Cumulus.
// Cumulus is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Cumulus is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Cumulus. If not, see <http://www.gnu.org/licenses/>.
//! Bridge definitions that are used on Rococo to bridge with Wococo.
use crate::{
BridgeParachainWococoInstance, ParachainInfo, Runtime, WithBridgeHubWococoMessagesInstance,
XcmRouter,
};
use bp_messages::LaneId;
use bridge_runtime_common::{
messages,
messages::{
source::FromBridgedChainMessagesDeliveryProof, target::FromBridgedChainMessagesProof,
MessageBridge, ThisChainWithMessages, UnderlyingChainProvider,
},
messages_xcm_extension::{XcmBlobHauler, XcmBlobHaulerAdapter},
refund_relayer_extension::{
ActualFeeRefund, RefundBridgedParachainMessages, RefundableMessagesLane,
RefundableParachain,
},
};
use frame_support::{parameter_types, RuntimeDebug};
use xcm::{
latest::prelude::*,
prelude::{InteriorMultiLocation, NetworkId},
};
use xcm_builder::{BridgeBlobDispatcher, HaulBlobExporter};
parameter_types! {
pub const MaxUnrewardedRelayerEntriesAtInboundLane: bp_messages::MessageNonce =
bp_bridge_hub_rococo::MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX;
pub const MaxUnconfirmedMessagesAtInboundLane: bp_messages::MessageNonce =
bp_bridge_hub_rococo::MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX;
pub const BridgeHubWococoChainId: bp_runtime::ChainId = bp_runtime::BRIDGE_HUB_WOCOCO_CHAIN_ID;
pub BridgeHubRococoUniversalLocation: InteriorMultiLocation = X2(GlobalConsensus(Rococo), Parachain(ParachainInfo::parachain_id().into()));
pub WococoGlobalConsensusNetwork: NetworkId = NetworkId::Wococo;
pub ActiveOutboundLanesToBridgeHubWococo: &'static [bp_messages::LaneId] = &[DEFAULT_XCM_LANE_TO_BRIDGE_HUB_WOCOCO];
pub PriorityBoostPerMessage: u64 = 921_900_294;
}
/// Proof of messages, coming from Wococo.
pub type FromWococoBridgeHubMessagesProof =
FromBridgedChainMessagesProof<bp_bridge_hub_wococo::Hash>;
/// Messages delivery proof for Rococo Bridge Hub -> Wococo Bridge Hub messages.
pub type ToWococoBridgeHubMessagesDeliveryProof =
FromBridgedChainMessagesDeliveryProof<bp_bridge_hub_wococo::Hash>;
/// Dispatches received XCM messages from other bridge
pub type OnBridgeHubRococoBlobDispatcher =
BridgeBlobDispatcher<XcmRouter, BridgeHubRococoUniversalLocation>;
/// Export XCM messages to be relayed to the otherside
pub type ToBridgeHubWococoHaulBlobExporter = HaulBlobExporter<
XcmBlobHaulerAdapter<ToBridgeHubWococoXcmBlobHauler>,
WococoGlobalConsensusNetwork,
(),
>;
pub struct ToBridgeHubWococoXcmBlobHauler;
impl XcmBlobHauler for ToBridgeHubWococoXcmBlobHauler {
type MessageSender =
pallet_bridge_messages::Pallet<Runtime, WithBridgeHubWococoMessagesInstance>;
type MessageSenderOrigin = super::RuntimeOrigin;
fn message_sender_origin() -> Self::MessageSenderOrigin {
pallet_xcm::Origin::from(MultiLocation::new(1, crate::xcm_config::UniversalLocation::get()))
.into()
}
fn xcm_lane() -> LaneId {
DEFAULT_XCM_LANE_TO_BRIDGE_HUB_WOCOCO
}
}
pub const DEFAULT_XCM_LANE_TO_BRIDGE_HUB_WOCOCO: LaneId = LaneId([0, 0, 0, 1]);
/// Messaging Bridge configuration for BridgeHubRococo -> BridgeHubWococo
pub struct WithBridgeHubWococoMessageBridge;
impl MessageBridge for WithBridgeHubWococoMessageBridge {
const BRIDGED_MESSAGES_PALLET_NAME: &'static str =
bp_bridge_hub_rococo::WITH_BRIDGE_HUB_ROCOCO_MESSAGES_PALLET_NAME;
type ThisChain = BridgeHubRococo;
type BridgedChain = BridgeHubWococo;
type BridgedHeaderChain = pallet_bridge_parachains::ParachainHeaders<
Runtime,
BridgeParachainWococoInstance,
bp_bridge_hub_wococo::BridgeHubWococo,
>;
}
/// Message verifier for BridgeHubWococo messages sent from BridgeHubRococo
pub type ToBridgeHubWococoMessageVerifier =
messages::source::FromThisChainMessageVerifier<WithBridgeHubWococoMessageBridge>;
/// Maximal outbound payload size of BridgeHubRococo -> BridgeHubWococo messages.
pub type ToBridgeHubWococoMaximalOutboundPayloadSize =
messages::source::FromThisChainMaximalOutboundPayloadSize<WithBridgeHubWococoMessageBridge>;
/// BridgeHubWococo chain from message lane point of view.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct BridgeHubWococo;
impl UnderlyingChainProvider for BridgeHubWococo {
type Chain = bp_bridge_hub_wococo::BridgeHubWococo;
}
impl messages::BridgedChainWithMessages for BridgeHubWococo {}
/// BridgeHubRococo chain from message lane point of view.
#[derive(RuntimeDebug, Clone, Copy)]
pub struct BridgeHubRococo;
impl UnderlyingChainProvider for BridgeHubRococo {
type Chain = bp_bridge_hub_rococo::BridgeHubRococo;
}
impl ThisChainWithMessages for BridgeHubRococo {
type RuntimeOrigin = crate::RuntimeOrigin;
}
/// Signed extension that refunds relayers that are delivering messages from the Wococo parachain.
pub type BridgeRefundBridgeHubWococoMessages = RefundBridgedParachainMessages<
Runtime,
RefundableParachain<BridgeParachainWococoInstance, bp_bridge_hub_wococo::BridgeHubWococo>,
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RefundableMessagesLane<WithBridgeHubWococoMessagesInstance, BridgeHubWococoMessagesLane>,
ActualFeeRefund<Runtime>,
PriorityBoostPerMessage,
StrBridgeRefundBridgeHubWococoMessages,
>;
bp_runtime::generate_static_str_provider!(BridgeRefundBridgeHubWococoMessages);
parameter_types! {
pub const BridgeHubWococoMessagesLane: bp_messages::LaneId = DEFAULT_XCM_LANE_TO_BRIDGE_HUB_WOCOCO;
}
#[cfg(test)]
mod tests {
use super::*;
use crate::BridgeGrandpaWococoInstance;
use bridge_runtime_common::{
assert_complete_bridge_types,
integrity::{
assert_complete_bridge_constants, check_message_lane_weights,
AssertBridgeMessagesPalletConstants, AssertBridgePalletNames, AssertChainConstants,
AssertCompleteBridgeConstants,
},
};
#[test]
fn ensure_bridge_hub_rococo_message_lane_weights_are_correct() {
check_message_lane_weights::<
bp_bridge_hub_rococo::BridgeHubRococo,
Runtime,
WithBridgeHubWococoMessagesInstance,
>(
bp_bridge_hub_wococo::EXTRA_STORAGE_PROOF_SIZE,
bp_bridge_hub_rococo::MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX,
bp_bridge_hub_rococo::MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX,
true,
);
}
#[test]
fn ensure_bridge_integrity() {
assert_complete_bridge_types!(
runtime: Runtime,
with_bridged_chain_grandpa_instance: BridgeGrandpaWococoInstance,
with_bridged_chain_messages_instance: WithBridgeHubWococoMessagesInstance,
bridge: WithBridgeHubWococoMessageBridge,
this_chain: bp_rococo::Rococo,
bridged_chain: bp_wococo::Wococo,
);
assert_complete_bridge_constants::<
Runtime,
BridgeGrandpaWococoInstance,
WithBridgeHubWococoMessagesInstance,
WithBridgeHubWococoMessageBridge,
>(AssertCompleteBridgeConstants {
this_chain_constants: AssertChainConstants {
block_length: bp_bridge_hub_rococo::BlockLength::get(),
block_weights: bp_bridge_hub_rococo::BlockWeights::get(),
},
messages_pallet_constants: AssertBridgeMessagesPalletConstants {
max_unrewarded_relayers_in_bridged_confirmation_tx:
bp_bridge_hub_wococo::MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX,
max_unconfirmed_messages_in_bridged_confirmation_tx:
bp_bridge_hub_wococo::MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX,
bridged_chain_id: bp_runtime::BRIDGE_HUB_WOCOCO_CHAIN_ID,
},
pallet_names: AssertBridgePalletNames {
with_this_chain_messages_pallet_name:
bp_bridge_hub_rococo::WITH_BRIDGE_HUB_ROCOCO_MESSAGES_PALLET_NAME,
with_bridged_chain_grandpa_pallet_name: bp_wococo::WITH_WOCOCO_GRANDPA_PALLET_NAME,
with_bridged_chain_messages_pallet_name:
bp_bridge_hub_wococo::WITH_BRIDGE_HUB_WOCOCO_MESSAGES_PALLET_NAME,
},
});
}
}