query: more optimizations

This commit is contained in:
nym21
2026-04-07 17:43:11 +02:00
parent f022f62cce
commit 17e531b4ee
10 changed files with 162 additions and 109 deletions
+8 -9
View File
@@ -1,5 +1,5 @@
use brk_computer::Computer;
use brk_types::{DifficultyAdjustmentEntry, Epoch, Height};
use brk_types::{DifficultyAdjustmentEntry, Height};
use vecdb::{ReadableVec, Ro, VecIndex};
/// Iterate over difficulty epochs within a height range.
@@ -21,25 +21,24 @@ pub fn iter_difficulty_epochs(
.collect_one(Height::from(end_height))
.unwrap_or_default();
let epoch_to_height = &computer.indexes.epoch.first_height;
let epoch_to_timestamp = &computer.indexes.timestamp.epoch;
let epoch_to_difficulty = &computer.blocks.difficulty.value.epoch;
let mut height_cursor = computer.indexes.epoch.first_height.cursor();
let mut timestamp_cursor = computer.indexes.timestamp.epoch.cursor();
let mut difficulty_cursor = computer.blocks.difficulty.value.epoch.cursor();
let mut results = Vec::with_capacity(end_epoch.to_usize() - start_epoch.to_usize() + 1);
let mut prev_difficulty: Option<f64> = None;
for epoch_usize in start_epoch.to_usize()..=end_epoch.to_usize() {
let epoch = Epoch::from(epoch_usize);
let epoch_height = epoch_to_height.collect_one(epoch).unwrap_or_default();
let epoch_height = height_cursor.get(epoch_usize).unwrap_or_default();
// Skip epochs before our start height but track difficulty
if epoch_height.to_usize() < start_height {
prev_difficulty = epoch_to_difficulty.collect_one(epoch).map(|d| *d);
prev_difficulty = difficulty_cursor.get(epoch_usize).map(|d| *d);
continue;
}
let epoch_timestamp = epoch_to_timestamp.collect_one(epoch).unwrap_or_default();
let epoch_difficulty = *epoch_to_difficulty.collect_one(epoch).unwrap_or_default();
let epoch_timestamp = timestamp_cursor.get(epoch_usize).unwrap_or_default();
let epoch_difficulty = *difficulty_cursor.get(epoch_usize).unwrap_or_default();
let change_percent = match prev_difficulty {
Some(prev) if prev > 0.0 => epoch_difficulty / prev,
+6 -7
View File
@@ -1,5 +1,5 @@
use brk_error::Result;
use brk_types::{Day1, DifficultyEntry, HashrateEntry, HashrateSummary, Height, TimePeriod};
use brk_types::{DifficultyEntry, HashrateEntry, HashrateSummary, Height, TimePeriod};
use vecdb::{ReadableOptionVec, ReadableVec, VecIndex};
use super::epochs::iter_difficulty_epochs;
@@ -56,16 +56,15 @@ impl Query {
let total_days = end_day1.to_usize().saturating_sub(start_day1.to_usize()) + 1;
let step = (total_days / 200).max(1); // Max ~200 data points
let hashrate_vec = &computer.mining.hashrate.rate.base.day1;
let timestamp_vec = &computer.indexes.timestamp.day1;
let mut hr_cursor = computer.mining.hashrate.rate.base.day1.cursor();
let mut ts_cursor = computer.indexes.timestamp.day1.cursor();
let mut hashrates = Vec::with_capacity(total_days / step + 1);
let mut di = start_day1.to_usize();
while di <= end_day1.to_usize() {
let day1 = Day1::from(di);
if let (Some(hr), Some(timestamp)) = (
hashrate_vec.collect_one_flat(day1),
timestamp_vec.collect_one(day1),
if let (Some(Some(hr)), Some(timestamp)) = (
hr_cursor.get(di),
ts_cursor.get(di),
) {
hashrates.push(HashrateEntry {
timestamp,