global: fixes

crates/brk_computer/src/blocks/lookback.rs

@@ -1,6 +1,6 @@
 use brk_error::Result;
 use brk_traversable::Traversable;
-use brk_types::{Height, Indexes, TimePeriod, Timestamp, Version};
+use brk_types::{Height, Indexes, Timestamp, Version};
 use vecdb::{
     AnyVec, CachedVec, Cursor, Database, EagerVec, Exit, ImportableVec, PcoVec, ReadableVec, Rw,
     StorageMode, VecIndex,
@@ -58,26 +58,6 @@ pub struct Vecs<M: StorageMode = Rw> {
     pub _26y: M::Stored<EagerVec<PcoVec<Height, Height>>>, // 9490d
 }
 
-impl<M: StorageMode> Vecs<M> {
-    /// First block height inside `period` looking back from `tip`; `None` for `All`.
-    /// Walks real block timestamps, matching mempool.space's wall-clock
-    /// `time > NOW() - INTERVAL ${period}` cutoff.
-    pub fn start_height(&self, period: TimePeriod, tip: Height) -> Option<Height> {
-        match period {
-            TimePeriod::Day => self._24h.collect_one(tip),
-            TimePeriod::ThreeDays => self._3d.collect_one(tip),
-            TimePeriod::Week => self._1w.collect_one(tip),
-            TimePeriod::Month => self._1m.collect_one(tip),
-            TimePeriod::ThreeMonths => self._3m.collect_one(tip),
-            TimePeriod::SixMonths => self._6m.collect_one(tip),
-            TimePeriod::Year => self._1y.collect_one(tip),
-            TimePeriod::TwoYears => self._2y.collect_one(tip),
-            TimePeriod::ThreeYears => self._3y.collect_one(tip),
-            TimePeriod::All => None,
-        }
-    }
-}
-
 impl Vecs {
     pub(crate) fn forced_import(db: &Database, version: Version) -> Result<Self> {
         let _1h = ImportableVec::forced_import(db, "height_1h_ago", version)?;

crates/brk_computer/src/lib.rs

@@ -5,7 +5,7 @@ use std::{fs, path::Path, thread, time::Instant};
 use brk_error::Result;
 use brk_indexer::Indexer;
 use brk_traversable::Traversable;
-use brk_types::Version;
+use brk_types::{Height, Version};
 use tracing::info;
 use vecdb::{AnyExportableVec, Exit, Ro, Rw, StorageMode};
 
@@ -480,6 +480,14 @@ impl Computer {
     }
 }
 
+impl Computer<Ro> {
+    /// Last height whose computed-side state is durably stamped, derived
+    /// from `distribution.supply_state`'s stamp.
+    pub fn computed_height(&self) -> Height {
+        Height::from(self.distribution.supply_state.stamp())
+    }
+}
+
 macro_rules! impl_iter_named {
     ($($field:ident),+ $(,)?) => {
         impl_iter_named!(@mode Ro, $($field),+);