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Add Batch messages from processor, verify Batchs published on-chain

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Renames Update to SignedBatch.

Checks Batch equality via a hash of the InInstructions. That prevents needing
to keep the Batch in node state or TX introspect.
This commit is contained in:
Luke Parker
2023-09-29 03:51:01 -04:00
parent 0be567ff69
commit 0eff3d9453
18 changed files with 281 additions and 80 deletions
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13
coordinator/src/substrate/mod.rs
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@@ -123,7 +123,8 @@ async fn handle_key_gen<D: Db, Pro: Processors>(
Ok(())
}
async fn handle_batch_and_burns<Pro: Processors>(
async fn handle_batch_and_burns<D: Db, Pro: Processors>(
db: &mut D,
processors: &Pro,
serai: &Serai,
block: &Block,
@@ -149,9 +150,15 @@ async fn handle_batch_and_burns<Pro: Processors>(
let mut burns = HashMap::new();
for batch in serai.get_batch_events(hash).await? {
if let InInstructionsEvent::Batch { network, id, block: network_block } = batch {
if let InInstructionsEvent::Batch { network, id, block: network_block, instructions_hash } =
batch
{
network_had_event(&mut burns, &mut batches, network);
let mut txn = db.txn();
SubstrateDb::<D>::save_batch_instructions_hash(&mut txn, network, id, instructions_hash);
txn.commit();
// Make sure this is the only Batch event for this network in this Block
assert!(batch_block.insert(network, network_block).is_none());
@@ -277,7 +284,7 @@ async fn handle_block<D: Db, CNT: Clone + Fn(&mut D, TributarySpec), Pro: Proces
// This does break the uniqueness of (hash, event_id) -> one event, yet
// (network, (hash, event_id)) remains valid as a unique ID for an event
if !SubstrateDb::<D>::handled_event(&db.0, hash, event_id) {
handle_batch_and_burns(processors, serai, &block).await?;
handle_batch_and_burns(&mut db.0, processors, serai, &block).await?;
}
let mut txn = db.0.txn();
SubstrateDb::<D>::handle_event(&mut txn, hash, event_id);