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Document expectations on Eventuality task and correct code determining the block safe to scan/report

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This commit is contained in:
Luke Parker
2024-08-20 19:37:47 -04:00
parent 155ad48f4c
commit 74d3075dae
5 changed files with 65 additions and 278 deletions
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22
processor/scanner/src/db.rs
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@@ -27,16 +27,12 @@ create_db!(
// The latest finalized block to appear of a blockchain
LatestFinalizedBlock: () -> u64,
// The latest block which it's safe to scan (dependent on what Serai has acknowledged scanning)
LatestScannableBlock: () -> u64,
// The next block to scan for received outputs
NextToScanForOutputsBlock: () -> u64,
// The next block to check for resolving eventualities
NextToCheckForEventualitiesBlock: () -> u64,
// The next block to potentially report
NextToPotentiallyReportBlock: () -> u64,
// The highest acknowledged block
HighestAcknowledgedBlock: () -> u64,
// If a block was notable
/*
@@ -125,7 +121,6 @@ impl<S: ScannerFeed> ScannerDb<S> {
pub(crate) fn set_start_block(txn: &mut impl DbTxn, start_block: u64, id: BlockIdFor<S>) {
Self::set_block(txn, start_block, id);
LatestFinalizedBlock::set(txn, &start_block);
LatestScannableBlock::set(txn, &start_block);
NextToScanForOutputsBlock::set(txn, &start_block);
NextToCheckForEventualitiesBlock::set(txn, &start_block);
NextToPotentiallyReportBlock::set(txn, &start_block);
@@ -138,11 +133,10 @@ impl<S: ScannerFeed> ScannerDb<S> {
LatestFinalizedBlock::get(getter)
}
pub(crate) fn set_latest_scannable_block(txn: &mut impl DbTxn, latest_scannable_block: u64) {
LatestScannableBlock::set(txn, &latest_scannable_block);
}
pub(crate) fn latest_scannable_block(getter: &impl Get) -> Option<u64> {
LatestScannableBlock::get(getter)
// This is whatever block we've checked the Eventualities of, plus the window length
// See `eventuality.rs` for more info
NextToCheckForEventualitiesBlock::get(getter).map(|b| b + S::WINDOW_LENGTH)
}
pub(crate) fn set_next_to_scan_for_outputs_block(
@@ -175,16 +169,6 @@ impl<S: ScannerFeed> ScannerDb<S> {
NextToPotentiallyReportBlock::get(getter)
}
pub(crate) fn set_highest_acknowledged_block(
txn: &mut impl DbTxn,
highest_acknowledged_block: u64,
) {
HighestAcknowledgedBlock::set(txn, &highest_acknowledged_block);
}
pub(crate) fn highest_acknowledged_block(getter: &impl Get) -> Option<u64> {
HighestAcknowledgedBlock::get(getter)
}
pub(crate) fn set_outputs(txn: &mut impl DbTxn, block_number: u64, outputs: Vec<OutputFor<S>>) {
if outputs.is_empty() {
return;