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// Copyright 2019-2021 Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common 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.
// Parity Bridges Common 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 Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
//! Helpers for implementing various message-related runtime API mthods.
use crate::messages::{source::FromThisChainMessagePayload, MessageBridge};
use bp_messages::{LaneId, MessageDetails, MessageNonce};
use codec::Decode;
use frame_support::traits::Instance;
use sp_std::vec::Vec;
/// Implementation of the `To*OutboundLaneApi::message_details`.
pub fn outbound_message_details<Runtime, MessagesPalletInstance, BridgeConfig>(
lane: LaneId,
begin: MessageNonce,
end: MessageNonce,
) -> Vec<MessageDetails<Runtime::OutboundMessageFee>>
where
Runtime: pallet_bridge_messages::Config<MessagesPalletInstance>,
MessagesPalletInstance: Instance,
BridgeConfig: MessageBridge,
{
(begin..=end)
.filter_map(|nonce| {
let message_data =
pallet_bridge_messages::Pallet::<Runtime, MessagesPalletInstance>::outbound_message_data(lane, nonce)?;
let decoded_payload =
FromThisChainMessagePayload::<BridgeConfig>::decode(&mut &message_data.payload[..]).ok()?;
Some(MessageDetails {
nonce,
dispatch_weight: decoded_payload.weight,
size: message_data.payload.len() as _,
delivery_and_dispatch_fee: message_data.fee,
dispatch_fee_payment: decoded_payload.dispatch_fee_payment,
})
})
.collect()
}