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DeliveryConfirmationPayments trait for paying relayer rewards at the source chain (#1653)

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* DeliveryConfirmationPayments

* ref proper PR in TODO
This commit is contained in:
Svyatoslav Nikolsky
2022-12-06 16:09:21 +03:00
committed by Bastian Köcher
parent 7014046485
commit aeeb53343e
11 changed files with 118 additions and 93 deletions
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bridges/modules/relayers/src/payment_adapter.rs
+41 -14
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@@ -19,22 +19,25 @@
use crate::{Config, Pallet};
use bp_messages::source_chain::{MessageDeliveryAndDispatchPayment, RelayersRewards};
use frame_support::sp_runtime::SaturatedConversion;
use bp_messages::source_chain::{
DeliveryConfirmationPayments, MessageDeliveryAndDispatchPayment, RelayersRewards,
};
use frame_support::{sp_runtime::SaturatedConversion, traits::Get};
use sp_arithmetic::traits::{Saturating, UniqueSaturatedFrom, Zero};
use sp_std::{collections::vec_deque::VecDeque, marker::PhantomData, ops::RangeInclusive};
/// Adapter that allows relayers pallet to be used as a delivery+dispatch payment mechanism
/// for the messages pallet.
pub struct MessageDeliveryAndDispatchPaymentAdapter<T, MessagesInstance>(
PhantomData<(T, MessagesInstance)>,
pub struct DeliveryConfirmationPaymentsAdapter<T, DeliveryReward, ConfirmationReward>(
PhantomData<(T, DeliveryReward, ConfirmationReward)>,
);
impl<T, MessagesInstance> MessageDeliveryAndDispatchPayment<T::RuntimeOrigin, T::AccountId>
for MessageDeliveryAndDispatchPaymentAdapter<T, MessagesInstance>
// TODO (https://github.com/paritytech/parity-bridges-common/pull/1652): this impl must be removed
impl<T, DeliveryReward, ConfirmationReward>
MessageDeliveryAndDispatchPayment<T::RuntimeOrigin, T::AccountId>
for DeliveryConfirmationPaymentsAdapter<T, DeliveryReward, ConfirmationReward>
where
T: Config + pallet_bridge_messages::Config<MessagesInstance>,
MessagesInstance: 'static,
T: Config,
{
type Error = &'static str;
@@ -44,23 +47,47 @@ where
confirmation_relayer: &T::AccountId,
received_range: &RangeInclusive<bp_messages::MessageNonce>,
) {
let relayers_rewards = pallet_bridge_messages::calc_relayers_rewards::<T, MessagesInstance>(
messages_relayers,
received_range,
);
let relayers_rewards =
bp_messages::calc_relayers_rewards::<T::AccountId>(messages_relayers, received_range);
register_relayers_rewards::<T>(
confirmation_relayer,
relayers_rewards,
lane_id,
// TODO (https://github.com/paritytech/parity-bridges-common/issues/1318): this shall be fixed
// in some way. ATM the future of the `register_relayer_reward` is not yet known
100_000_u32.into(),
10_000_u32.into(),
);
}
}
impl<T, DeliveryReward, ConfirmationReward> DeliveryConfirmationPayments<T::AccountId>
for DeliveryConfirmationPaymentsAdapter<T, DeliveryReward, ConfirmationReward>
where
T: Config,
DeliveryReward: Get<T::Reward>,
ConfirmationReward: Get<T::Reward>,
{
type Error = &'static str;
fn pay_reward(
lane_id: bp_messages::LaneId,
messages_relayers: VecDeque<bp_messages::UnrewardedRelayer<T::AccountId>>,
confirmation_relayer: &T::AccountId,
received_range: &RangeInclusive<bp_messages::MessageNonce>,
) {
let relayers_rewards =
bp_messages::calc_relayers_rewards::<T::AccountId>(messages_relayers, received_range);
register_relayers_rewards::<T>(
confirmation_relayer,
relayers_rewards,
lane_id,
DeliveryReward::get(),
ConfirmationReward::get(),
);
}
}
// Update rewards to given relayers, optionally rewarding confirmation relayer.
fn register_relayers_rewards<T: Config>(
confirmation_relayer: &T::AccountId,