Refactor substrate messages source and substrate messages target (#1105)

* Remove redundant generic parameters from SubstrateMessagesSource

* Remove redundant generic parameters from SubstrateMessagesTarget

* use uniform alias naming

* use aliases instead of fully quallified syntax

* pr feedback
This commit is contained in:
Antonio Dropulic
2021-09-02 16:53:17 +02:00
committed by Bastian Köcher
parent b5240f3f18
commit 5c71f0e996
8 changed files with 84 additions and 81 deletions
@@ -38,7 +38,9 @@ use messages_relay::{
},
};
use num_traits::{Bounded, Zero};
use relay_substrate_client::{Chain, Client, Error as SubstrateError, HashOf, HeaderIdOf};
use relay_substrate_client::{
BalanceOf, BlockNumberOf, Chain, Client, Error as SubstrateError, HashOf, HeaderIdOf, HeaderOf, IndexOf,
};
use relay_utils::{relay_loop::Client as RelayClient, BlockNumberBase, HeaderId};
use sp_core::Bytes;
use sp_runtime::{traits::Header as HeaderT, DeserializeOwned};
@@ -50,20 +52,20 @@ use std::ops::RangeInclusive;
pub type SubstrateMessagesProof<C> = (Weight, FromBridgedChainMessagesProof<HashOf<C>>);
/// Substrate client as Substrate messages source.
pub struct SubstrateMessagesSource<SC: Chain, TC: Chain, P: SubstrateMessageLane> {
client: Client<SC>,
pub struct SubstrateMessagesSource<P: SubstrateMessageLane> {
client: Client<P::SourceChain>,
lane: P,
lane_id: LaneId,
target_to_source_headers_relay: Option<OnDemandHeadersRelay<TC>>,
target_to_source_headers_relay: Option<OnDemandHeadersRelay<P::TargetChain>>,
}
impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> SubstrateMessagesSource<SC, TC, P> {
impl<P: SubstrateMessageLane> SubstrateMessagesSource<P> {
/// Create new Substrate headers source.
pub fn new(
client: Client<SC>,
client: Client<P::SourceChain>,
lane: P,
lane_id: LaneId,
target_to_source_headers_relay: Option<OnDemandHeadersRelay<TC>>,
target_to_source_headers_relay: Option<OnDemandHeadersRelay<P::TargetChain>>,
) -> Self {
SubstrateMessagesSource {
client,
@@ -74,7 +76,7 @@ impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> SubstrateMessagesSource<SC,
}
}
impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> Clone for SubstrateMessagesSource<SC, TC, P> {
impl<P: SubstrateMessageLane> Clone for SubstrateMessagesSource<P> {
fn clone(&self) -> Self {
Self {
client: self.client.clone(),
@@ -86,12 +88,7 @@ impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> Clone for SubstrateMessagesS
}
#[async_trait]
impl<SC, TC, P> RelayClient for SubstrateMessagesSource<SC, TC, P>
where
SC: Chain,
TC: Chain,
P: SubstrateMessageLane,
{
impl<P: SubstrateMessageLane> RelayClient for SubstrateMessagesSource<P> {
type Error = SubstrateError;
async fn reconnect(&mut self) -> Result<(), SubstrateError> {
@@ -100,27 +97,27 @@ where
}
#[async_trait]
impl<SC, TC, P> SourceClient<P::MessageLane> for SubstrateMessagesSource<SC, TC, P>
impl<P> SourceClient<P::MessageLane> for SubstrateMessagesSource<P>
where
SC: Chain<
P: SubstrateMessageLane,
P::SourceChain: Chain<
Hash = <P::MessageLane as MessageLane>::SourceHeaderHash,
BlockNumber = <P::MessageLane as MessageLane>::SourceHeaderNumber,
Balance = <P::MessageLane as MessageLane>::SourceChainBalance,
>,
SC::Hash: Copy,
SC::BlockNumber: Copy,
SC::Balance: Decode + Bounded,
SC::Header: DeserializeOwned,
SC::Index: DeserializeOwned,
SC::BlockNumber: BlockNumberBase,
TC: Chain<
BalanceOf<P::SourceChain>: Decode + Bounded,
IndexOf<P::SourceChain>: DeserializeOwned,
HashOf<P::SourceChain>: Copy,
BlockNumberOf<P::SourceChain>: BlockNumberBase + Copy,
HeaderOf<P::SourceChain>: DeserializeOwned,
P::TargetChain: Chain<
Hash = <P::MessageLane as MessageLane>::TargetHeaderHash,
BlockNumber = <P::MessageLane as MessageLane>::TargetHeaderNumber,
>,
P: SubstrateMessageLane<SourceChain = SC, TargetChain = TC>,
P::MessageLane: MessageLane<
MessagesProof = SubstrateMessagesProof<SC>,
MessagesReceivingProof = SubstrateMessagesReceivingProof<TC>,
MessagesProof = SubstrateMessagesProof<P::SourceChain>,
MessagesReceivingProof = SubstrateMessagesReceivingProof<P::TargetChain>,
>,
<P::MessageLane as MessageLane>::TargetHeaderNumber: Decode,
<P::MessageLane as MessageLane>::TargetHeaderHash: Decode,
@@ -186,7 +183,7 @@ where
)
.await?;
make_message_details_map::<SC>(
make_message_details_map::<P::SourceChain>(
Decode::decode(&mut &encoded_response.0[..]).map_err(SubstrateError::ResponseParseFailed)?,
nonces,
)
@@ -264,10 +261,10 @@ where
.estimate_extrinsic_fee(self.lane.make_messages_receiving_proof_transaction(
Zero::zero(),
HeaderId(Default::default(), Default::default()),
prepare_dummy_messages_delivery_proof::<SC, TC>(),
prepare_dummy_messages_delivery_proof::<P::SourceChain, P::TargetChain>(),
))
.await
.unwrap_or_else(|_| SC::Balance::max_value())
.unwrap_or_else(|_| BalanceOf::<P::SourceChain>::max_value())
}
}
@@ -24,6 +24,7 @@ use crate::on_demand_headers::OnDemandHeadersRelay;
use async_trait::async_trait;
use bp_messages::{LaneId, MessageNonce, UnrewardedRelayersState};
use bridge_runtime_common::messages::{
source::FromBridgedChainMessagesDeliveryProof, target::FromBridgedChainMessagesProof,
};
@@ -35,10 +36,12 @@ use messages_relay::{
message_lane_loop::{TargetClient, TargetClientState},
};
use num_traits::{Bounded, Zero};
use relay_substrate_client::{Chain, Client, Error as SubstrateError, HashOf};
use relay_substrate_client::{
BalanceOf, BlockNumberOf, Chain, Client, Error as SubstrateError, HashOf, HeaderOf, IndexOf,
};
use relay_utils::{relay_loop::Client as RelayClient, BlockNumberBase, HeaderId};
use sp_core::Bytes;
use sp_runtime::{traits::Header as HeaderT, DeserializeOwned, FixedPointNumber, FixedU128};
use sp_runtime::{DeserializeOwned, FixedPointNumber, FixedU128};
use std::{convert::TryFrom, ops::RangeInclusive};
/// Message receiving proof returned by the target Substrate node.
@@ -48,22 +51,22 @@ pub type SubstrateMessagesReceivingProof<C> = (
);
/// Substrate client as Substrate messages target.
pub struct SubstrateMessagesTarget<SC: Chain, TC: Chain, P: SubstrateMessageLane> {
client: Client<TC>,
pub struct SubstrateMessagesTarget<P: SubstrateMessageLane> {
client: Client<P::TargetChain>,
lane: P,
lane_id: LaneId,
metric_values: StandaloneMessagesMetrics,
source_to_target_headers_relay: Option<OnDemandHeadersRelay<SC>>,
source_to_target_headers_relay: Option<OnDemandHeadersRelay<P::SourceChain>>,
}
impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> SubstrateMessagesTarget<SC, TC, P> {
impl<P: SubstrateMessageLane> SubstrateMessagesTarget<P> {
/// Create new Substrate headers target.
pub fn new(
client: Client<TC>,
client: Client<P::TargetChain>,
lane: P,
lane_id: LaneId,
metric_values: StandaloneMessagesMetrics,
source_to_target_headers_relay: Option<OnDemandHeadersRelay<SC>>,
source_to_target_headers_relay: Option<OnDemandHeadersRelay<P::SourceChain>>,
) -> Self {
SubstrateMessagesTarget {
client,
@@ -75,7 +78,7 @@ impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> SubstrateMessagesTarget<SC,
}
}
impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> Clone for SubstrateMessagesTarget<SC, TC, P> {
impl<P: SubstrateMessageLane> Clone for SubstrateMessagesTarget<P> {
fn clone(&self) -> Self {
Self {
client: self.client.clone(),
@@ -88,12 +91,7 @@ impl<SC: Chain, TC: Chain, P: SubstrateMessageLane> Clone for SubstrateMessagesT
}
#[async_trait]
impl<SC, TC, P> RelayClient for SubstrateMessagesTarget<SC, TC, P>
where
SC: Chain,
TC: Chain,
P: SubstrateMessageLane,
{
impl<P: SubstrateMessageLane> RelayClient for SubstrateMessagesTarget<P> {
type Error = SubstrateError;
async fn reconnect(&mut self) -> Result<(), SubstrateError> {
@@ -102,27 +100,28 @@ where
}
#[async_trait]
impl<SC, TC, P> TargetClient<P::MessageLane> for SubstrateMessagesTarget<SC, TC, P>
impl<P> TargetClient<P::MessageLane> for SubstrateMessagesTarget<P>
where
SC: Chain<
P: SubstrateMessageLane,
P::SourceChain: Chain<
Hash = <P::MessageLane as MessageLane>::SourceHeaderHash,
BlockNumber = <P::MessageLane as MessageLane>::SourceHeaderNumber,
Balance = <P::MessageLane as MessageLane>::SourceChainBalance,
>,
SC::Balance: TryFrom<TC::Balance> + Bounded,
TC: Chain<
BalanceOf<P::SourceChain>: TryFrom<<P::TargetChain as Chain>::Balance> + Bounded,
P::TargetChain: Chain<
Hash = <P::MessageLane as MessageLane>::TargetHeaderHash,
BlockNumber = <P::MessageLane as MessageLane>::TargetHeaderNumber,
>,
TC::Hash: Copy,
TC::BlockNumber: Copy,
TC::Header: DeserializeOwned,
TC::Index: DeserializeOwned,
<TC::Header as HeaderT>::Number: BlockNumberBase,
P: SubstrateMessageLane<SourceChain = SC, TargetChain = TC>,
IndexOf<P::TargetChain>: DeserializeOwned,
HashOf<P::TargetChain>: Copy,
BlockNumberOf<P::TargetChain>: Copy,
HeaderOf<P::TargetChain>: DeserializeOwned,
BlockNumberOf<P::TargetChain>: BlockNumberBase,
P::MessageLane: MessageLane<
MessagesProof = SubstrateMessagesProof<SC>,
MessagesReceivingProof = SubstrateMessagesReceivingProof<TC>,
MessagesProof = SubstrateMessagesProof<P::SourceChain>,
MessagesReceivingProof = SubstrateMessagesReceivingProof<P::TargetChain>,
>,
<P::MessageLane as MessageLane>::SourceHeaderNumber: Decode,
<P::MessageLane as MessageLane>::SourceHeaderHash: Decode,
@@ -255,29 +254,31 @@ where
.ok_or_else(|| {
SubstrateError::Custom(format!(
"Failed to compute conversion rate from {} to {}",
TC::NAME,
SC::NAME,
P::TargetChain::NAME,
P::SourceChain::NAME,
))
})?;
log::trace!(
target: "bridge",
"Using conversion rate {} when converting from {} tokens to {} tokens",
conversion_rate,
TC::NAME,
SC::NAME
P::TargetChain::NAME,
P::SourceChain::NAME,
);
Ok(convert_target_tokens_to_source_tokens::<SC, TC>(
FixedU128::from_float(conversion_rate),
self.client
.estimate_extrinsic_fee(self.lane.make_messages_delivery_transaction(
Zero::zero(),
HeaderId(Default::default(), Default::default()),
nonces.clone(),
prepare_dummy_messages_proof::<SC>(nonces, total_dispatch_weight, total_size),
))
.await
.unwrap_or_else(|_| TC::Balance::max_value()),
))
Ok(
convert_target_tokens_to_source_tokens::<P::SourceChain, P::TargetChain>(
FixedU128::from_float(conversion_rate),
self.client
.estimate_extrinsic_fee(self.lane.make_messages_delivery_transaction(
Zero::zero(),
HeaderId(Default::default(), Default::default()),
nonces.clone(),
prepare_dummy_messages_proof::<P::SourceChain>(nonces, total_dispatch_weight, total_size),
))
.await
.unwrap_or_else(|_| <P::TargetChain as Chain>::Balance::max_value()),
),
)
}
}