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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/messages/src/lib.rs
+4 -32
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@@ -52,24 +52,21 @@ use crate::{
use bp_messages::{
source_chain::{
LaneMessageVerifier, MessageDeliveryAndDispatchPayment, RelayersRewards,
SendMessageArtifacts, TargetHeaderChain,
LaneMessageVerifier, MessageDeliveryAndDispatchPayment, SendMessageArtifacts,
TargetHeaderChain,
},
target_chain::{
DispatchMessage, MessageDispatch, ProvedLaneMessages, ProvedMessages, SourceHeaderChain,
},
total_unrewarded_messages, DeliveredMessages, InboundLaneData, InboundMessageDetails, LaneId,
MessageKey, MessageNonce, MessagePayload, MessagesOperatingMode, OutboundLaneData,
OutboundMessageDetails, UnrewardedRelayer, UnrewardedRelayersState,
OutboundMessageDetails, UnrewardedRelayersState,
};
use bp_runtime::{BasicOperatingMode, ChainId, OwnedBridgeModule, Size};
use codec::{Decode, Encode, MaxEncodedLen};
use frame_support::{dispatch::PostDispatchInfo, ensure, fail, traits::Get};
use sp_runtime::traits::UniqueSaturatedFrom;
use sp_std::{
cell::RefCell, collections::vec_deque::VecDeque, marker::PhantomData, ops::RangeInclusive,
prelude::*,
};
use sp_std::{cell::RefCell, marker::PhantomData, prelude::*};
mod inbound_lane;
mod outbound_lane;
@@ -725,31 +722,6 @@ fn send_message<T: Config<I>, I: 'static>(
Ok(SendMessageArtifacts { nonce, weight: actual_weight })
}
/// Calculate the number of messages that the relayers have delivered.
pub fn calc_relayers_rewards<T, I>(
messages_relayers: VecDeque<UnrewardedRelayer<T::AccountId>>,
received_range: &RangeInclusive<MessageNonce>,
) -> RelayersRewards<T::AccountId>
where
T: frame_system::Config + crate::Config<I>,
I: 'static,
{
// remember to reward relayers that have delivered messages
// this loop is bounded by `T::MaxUnrewardedRelayerEntriesAtInboundLane` on the bridged chain
let mut relayers_rewards = RelayersRewards::new();
for entry in messages_relayers {
let nonce_begin = sp_std::cmp::max(entry.messages.begin, *received_range.start());
let nonce_end = sp_std::cmp::min(entry.messages.end, *received_range.end());
// loop won't proceed if current entry is ahead of received range (begin > end).
// this loop is bound by `T::MaxUnconfirmedMessagesAtInboundLane` on the bridged chain
if nonce_end >= nonce_begin {
*relayers_rewards.entry(entry.relayer).or_default() += nonce_end - nonce_begin + 1;
}
}
relayers_rewards
}
/// Ensure that the pallet is in normal operational mode.
fn ensure_normal_operating_mode<T: Config<I>, I: 'static>() -> Result<(), Error<T, I>> {
if PalletOperatingMode::<T, I>::get() ==