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heatmaps: part 19

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nym21
2026-06-01 13:20:34 +02:00
parent 4b49a04186
commit 46b888337c
14 changed files with 573 additions and 520 deletions
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crates/brk_query/src/impl/oracle.rs
+15 -18
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@@ -30,9 +30,10 @@ impl Query {
}
/// Smoothed payment output histogram for a calendar `day`: the bin-by-bin average of
/// every confirmed block's per-block EMA. Each block's EMA is reconstructed
/// independently (seed-independent, so exact); averaging keeps the result an
/// intensive per-block rate rather than letting a busy day dominate.
/// every confirmed block's per-block EMA. The first block in each EMA config
/// segment is reconstructed exactly, then later blocks in the segment are walked
/// sequentially. Averaging keeps the result an intensive per-block rate rather
/// than letting a busy day dominate.
pub fn confirmed_payment_histogram_day(&self, day: Day1) -> Result<HistogramEmaCompact> {
let safe = self.safe_lengths();
let range = self.day_block_range(day, &safe)?;
@@ -177,18 +178,21 @@ impl Query {
Ok(cents_to_bin(cents.inner() as f64))
}
/// `height < min(spot price len, safe height)` or 404.
/// Returns the safe lengths so callers cap reads at the same bound.
fn check_histogram_height(&self, height: usize) -> Result<Lengths> {
let safe = self.safe_lengths();
let bound = self
.computer()
fn histogram_bound(&self, safe: &Lengths) -> usize {
self.computer()
.prices
.spot
.cents
.height
.len()
.min(safe.height.to_usize());
.min(safe.height.to_usize())
}
/// `height < min(spot price len, safe height)` or 404.
/// Returns the safe lengths so callers cap reads at the same bound.
fn check_histogram_height(&self, height: usize) -> Result<Lengths> {
let safe = self.safe_lengths();
let bound = self.histogram_bound(&safe);
if height >= bound {
return Err(Error::NotFound(format!(
"oracle histogram unavailable for height {height}"
@@ -202,14 +206,7 @@ impl Query {
/// the day has no committed blocks in range.
fn day_block_range(&self, day: Day1, safe: &Lengths) -> Result<Range<usize>> {
let first_height = &self.computer().indexes.day1.first_height;
let bound = self
.computer()
.prices
.spot
.cents
.height
.len()
.min(safe.height.to_usize());
let bound = self.histogram_bound(safe);
let start = first_height
.collect_one(day)
.map_or(usize::MAX, |h| h.to_usize());