mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 23:57:56 +00:00
Svyatoslav Nikolsky
748c265c47
* add XCM pallet to Millau runtime * some progress * messages are delivered (no fee) * temp * flush * flush * some progress * progress * Trap(42) is dispatched successfully * fix spelling * no more manual sending * parametrize weight credit for tests * actually charge fees * enable send-using-messages-pallet to keep our test deployments alive + send valid XCM sometimes * fix benchmarks build * fix tests
84 lines
3.0 KiB
Rust
84 lines
3.0 KiB
Rust
// Copyright 2019-2021 Parity Technologies (UK) Ltd.
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// This file is part of Parity Bridges Common.
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// Parity Bridges Common is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Bridges Common is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
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//! Helpers for implementing various message-related runtime API mthods.
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use crate::messages::{target::FromBridgedChainMessagePayload, MessageBridge};
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use bp_messages::{LaneId, MessageDetails, MessageKey, MessageNonce};
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use codec::Decode;
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use frame_support::weights::Weight;
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use sp_std::vec::Vec;
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/// Implementation of the `To*OutboundLaneApi::message_details`.
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pub fn outbound_message_details<Runtime, MessagesPalletInstance, BridgeConfig, XcmWeigher>(
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lane: LaneId,
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begin: MessageNonce,
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end: MessageNonce,
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) -> Vec<MessageDetails<Runtime::OutboundMessageFee>>
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where
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Runtime: pallet_bridge_messages::Config<MessagesPalletInstance>,
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MessagesPalletInstance: 'static,
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BridgeConfig: MessageBridge,
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XcmWeigher: xcm_executor::traits::WeightBounds<()>,
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{
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(begin..=end)
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.filter_map(|nonce| {
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let message_data =
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pallet_bridge_messages::Pallet::<Runtime, MessagesPalletInstance>::outbound_message_data(lane, nonce)?;
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Some(MessageDetails {
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nonce,
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// this shall match the similar code in the `FromBridgedChainMessageDispatch` - if we have failed
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// to decode or estimate dispatch weight, we'll just return 0 to disable actual execution
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dispatch_weight: compute_message_weight::<XcmWeigher>(
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MessageKey { lane_id: lane, nonce },
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&message_data.payload,
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).unwrap_or(0),
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size: message_data.payload.len() as _,
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delivery_and_dispatch_fee: message_data.fee,
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dispatch_fee_payment: bp_runtime::messages::DispatchFeePayment::AtTargetChain,
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})
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})
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.collect()
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}
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// at the source chain we don't know the type of target chain `Call` => `()` is used (it is
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// similarly currently used in Polkadot codebase)
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fn compute_message_weight<XcmWeigher: xcm_executor::traits::WeightBounds<()>>(
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message_key: MessageKey,
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encoded_payload: &[u8],
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) -> Result<Weight, ()> {
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let mut payload = FromBridgedChainMessagePayload::<()>::decode(&mut &encoded_payload[..])
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.map_err(|e| {
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log::debug!(
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target: "runtime::bridge-dispatch",
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"Failed to decode outbound XCM message {:?}: {:?}",
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message_key,
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e,
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);
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})?;
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let weight = XcmWeigher::weight(&mut payload.xcm.1);
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let weight = weight.map_err(|e| {
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log::debug!(
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target: "runtime::bridge-dispatch",
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"Failed to compute dispatch weight of outbound XCM message {:?}: {:?}",
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message_key,
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e,
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);
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})?;
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Ok(weight)
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}
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