zecfoundation
/
zebra
mirror of https://github.com/ZcashFoundation/zebra.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Replace integer lengths with named constants

This commit is contained in:
teor 2020-11-19 11:06:28 +10:00
parent e07b0bc8da
commit bcabf75fe9
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
zebra-state/src/service/check/difficulty.rs
View File

@ -35,14 +35,15 @@ pub(super) struct AdjustedDifficulty {
/// The `header.difficulty_threshold`s from the previous /// The `header.difficulty_threshold`s from the previous
/// `PoWAveragingWindow + PoWMedianBlockSpan` (28) blocks, in reverse height /// `PoWAveragingWindow + PoWMedianBlockSpan` (28) blocks, in reverse height
/// order. /// order.
relevant_difficulty_thresholds: [CompactDifficulty; 28], relevant_difficulty_thresholds:
[CompactDifficulty; POW_AVERAGING_WINDOW + POW_MEDIAN_BLOCK_SPAN],
/// The `header.time`s from the previous /// The `header.time`s from the previous
/// `PoWAveragingWindow + PoWMedianBlockSpan` (28) blocks, in reverse height /// `PoWAveragingWindow + PoWMedianBlockSpan` (28) blocks, in reverse height
/// order. /// order.
/// ///
/// Only the first and last `PoWMedianBlockSpan` times are used. Times /// Only the first and last `PoWMedianBlockSpan` times are used. Times
/// `11..=16` are ignored. /// `11..=16` are ignored.
relevant_times: [DateTime<Utc>; 28], relevant_times: [DateTime<Utc>; POW_AVERAGING_WINDOW + POW_MEDIAN_BLOCK_SPAN],
} }
impl AdjustedDifficulty { impl AdjustedDifficulty {
@ -216,7 +217,9 @@ impl AdjustedDifficulty {
/// slice of `PoWMedianBlockSpan` (11) blocks in the relevant chain. /// slice of `PoWMedianBlockSpan` (11) blocks in the relevant chain.
/// ///
/// Implements `MedianTime` from the Zcash specification. /// Implements `MedianTime` from the Zcash specification.
fn median_time(mut median_block_span_times: [DateTime<Utc>; 11]) -> DateTime<Utc> { fn median_time(
mut median_block_span_times: [DateTime<Utc>; POW_MEDIAN_BLOCK_SPAN],
) -> DateTime<Utc> {
median_block_span_times.sort_unstable(); median_block_span_times.sort_unstable();
median_block_span_times[POW_MEDIAN_BLOCK_SPAN / 2] median_block_span_times[POW_MEDIAN_BLOCK_SPAN / 2]
} }