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units: change type of MtpHeight::to_mtp to BlockMtp 

We are going to delete MtpHeight in a couple commits, but to let us do
the transition with smaller diffs, we will first change it to be easily
convertible to a BlockHeight/BlockMtp pair.
This commit is contained in:
Andrew Poelstra 2025-05-06 15:39:40 +00:00
parent dcbdb7ca8a
commit d933c754f5
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1 changed files with 4 additions and 8 deletions
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12
units/src/mtp_height.rs
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@ -2,14 +2,14 @@
//! Median Time Past (MTP) and height - used for working lock times.
use crate::{BlockHeight, BlockTime};
use crate::{BlockHeight, BlockMtp, BlockTime};
/// A structure containing both Median Time Past (MTP) and current
/// absolute block height, used for validating relative locktimes.
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub struct MtpAndHeight {
/// The Median Time Past (median of the last 11 blocks' timestamps)
mtp: BlockTime,
mtp: BlockMtp,
/// The current block height,
height: BlockHeight,
}
@ -26,15 +26,11 @@ impl MtpAndHeight {
/// - …
/// - `timestamps[10]` is the timestamp at height `height`
pub fn new(height: BlockHeight, timestamps: [BlockTime; 11]) -> Self {
let mut mtp_timestamps = timestamps;
mtp_timestamps.sort_unstable();
let mtp = mtp_timestamps[5];
MtpAndHeight { mtp, height }
MtpAndHeight { mtp: BlockMtp::new(timestamps), height }
}
/// Returns the median-time-past component.
pub fn to_mtp(self) -> BlockTime { self.mtp }
pub fn to_mtp(self) -> BlockMtp { self.mtp }
/// Returns the block-height component.
pub fn to_height(self) -> BlockHeight { self.height }