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Add dispute initiators to dispute info #443

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merged 5 commits into from
Jul 14, 2023
Merged

Add dispute initiators to dispute info #443

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5c65241
Add dispute initiators to dispute info
AndreiEres Jul 13, 2023
6e426f9
Add sessin index to dispute info
AndreiEres Jul 14, 2023
2fce462
Show dispute initiators
AndreiEres Jul 14, 2023
8d7388f
Read dispute session index from its statement
AndreiEres Jul 14, 2023
9bc8296
Update parachain-tracer/src/progress.rs
AndreiEres Jul 14, 2023
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52 changes: 45 additions & 7 deletions essentials/src/collector/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,14 @@ mod ws;

use crate::{
api::{
subxt_wrapper::{RequestExecutor, SubxtWrapperError},
subxt_wrapper::{InherentData, RequestExecutor, SubxtWrapperError},
ApiService,
},
chain_events::{
decode_chain_event, ChainEvent, SubxtCandidateEvent, SubxtCandidateEventType, SubxtDispute, SubxtDisputeResult,
},
chain_subscription::ChainSubscriptionEvent,
metadata::polkadot_primitives::DisputeStatement,
storage::{RecordTime, RecordsStorageConfig, StorageEntry},
types::{Timestamp, H256},
utils::RetryOptions,
Expand Down Expand Up @@ -112,6 +113,7 @@ pub type CollectorStorageApi = ApiService<H256, CollectorPrefixType>;
#[derive(Clone, Debug, Encode, Decode)]
pub struct DisputeInfo {
pub initiated: <PolkadotConfig as subxt::Config>::Index,
pub initiators_idx: Vec<u32>,
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pub dispute: SubxtDispute,
pub parachain_id: u32,
pub outcome: Option<SubxtDisputeResult>,
Expand Down Expand Up @@ -541,7 +543,17 @@ impl Collector {
self.state.current_session_index = cur_session;
self.broadcast_event(CollectorUpdateEvent::NewSession(cur_session)).await?;
}
self.write_parainherent_data(block_hash, block_number, ts).await?;

Ok(())
}

async fn write_parainherent_data(
&mut self,
block_hash: H256,
block_number: u32,
ts: Timestamp,
) -> color_eyre::Result<(), CollectorError> {
let inherent_data = self
.executor
.extract_parainherent_data(self.endpoint.as_str(), Some(block_hash))
Expand Down Expand Up @@ -767,6 +779,7 @@ impl Collector {
let now = get_unix_time_unwrap();
let para_id = candidate.parachain_id();
candidate.candidate_disputed = Some(CandidateDisputed { disputed: relay_block_number, concluded: None });
let initiators_idx = self.extract_dispute_initiators(dispute_event).await?;
if let Some(to_websocket) = self.to_websocket.as_mut() {
to_websocket
.send(WebSocketUpdateEvent {
Expand All @@ -781,7 +794,8 @@ impl Collector {
// Fill and write dispute info structure
let dispute_info = DisputeInfo {
dispute: dispute_event.clone(),
initiated: self.state.current_relay_chain_block_number,
initiated: relay_block_number,
initiators_idx,
concluded: None,
parachain_id: candidate.parachain_id(),
outcome: None,
Expand All @@ -796,24 +810,48 @@ impl Collector {
self.storage_write_prefixed(
CollectorPrefixType::Dispute(para_id),
dispute_event.candidate_hash,
StorageEntry::new_onchain(
RecordTime::with_ts(self.state.current_relay_chain_block_number, now),
dispute_info,
),
StorageEntry::new_onchain(RecordTime::with_ts(relay_block_number, now), dispute_info),
)
.await?;

// Update candidate
self.storage_replace_prefixed(
CollectorPrefixType::Candidate(para_id),
dispute_event.candidate_hash,
StorageEntry::new_onchain(RecordTime::with_ts(self.state.current_relay_chain_block_number, now), candidate),
StorageEntry::new_onchain(RecordTime::with_ts(relay_block_number, now), candidate),
)
.await;

Ok(())
}

async fn extract_dispute_initiators(&mut self, dispute_event: &SubxtDispute) -> color_eyre::Result<Vec<u32>> {
let entry = match self
.storage_read_prefixed(CollectorPrefixType::InherentData, dispute_event.relay_parent_block)
.await
{
Some(v) => v,
None => return Ok(vec![]),
};

let data: InherentData = entry.into_inner()?;
let statement_set = match data
.disputes
.iter()
.find(|&d| d.candidate_hash.0 == dispute_event.candidate_hash)
{
Some(v) => v,
None => return Ok(vec![]),
};

Ok(statement_set
.statements
.iter()
.filter(|(statement, _, _)| matches!(statement, DisputeStatement::Invalid(_)))
.map(|(_, idx, _)| idx.0)
.collect())
}

async fn process_dispute_concluded(
&mut self,
dispute_event: &SubxtDispute,
Expand Down