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Remove deprecated API (#4993)

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* Remove deprecated API

* Remove (some) allow(dead_code)

* Bump spec_version

* Fix import, remove allow dead code.

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
This commit is contained in:
Stanislav Tkach
2020-02-20 18:03:33 +02:00
committed by GitHub
parent b368736be4
commit 504914b0a6
9 changed files with 25 additions and 142 deletions
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substrate/client/consensus/babe/src/lib.rs
-43
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@@ -693,49 +693,6 @@ impl<B, E, Block: BlockT, RA, PRA> BabeVerifier<B, E, Block, RA, PRA> {
}
}
#[allow(dead_code)]
fn median_algorithm(
median_required_blocks: u64,
slot_duration: u64,
slot_number: u64,
slot_now: u64,
time_source: &mut (Option<Duration>, Vec<(Instant, u64)>),
) {
let num_timestamps = time_source.1.len();
if num_timestamps as u64 >= median_required_blocks && median_required_blocks > 0 {
let mut new_list: Vec<_> = time_source.1.iter().map(|&(t, sl)| {
let offset: u128 = u128::from(slot_duration)
.checked_mul(1_000_000u128) // self.config.slot_duration returns milliseconds
.and_then(|x| {
x.checked_mul(u128::from(slot_number).saturating_sub(u128::from(sl)))
})
.expect("we cannot have timespans long enough for this to overflow; qed");
const NANOS_PER_SEC: u32 = 1_000_000_000;
let nanos = (offset % u128::from(NANOS_PER_SEC)) as u32;
let secs = (offset / u128::from(NANOS_PER_SEC)) as u64;
t + Duration::new(secs, nanos)
}).collect();
// Use a partial sort to move the median timestamp to the middle of the list
pdqselect::select(&mut new_list, num_timestamps / 2);
let &median = new_list
.get(num_timestamps / 2)
.expect("we have at least one timestamp, so this is a valid index; qed");
let now = Instant::now();
if now >= median {
time_source.0.replace(now - median);
}
time_source.1.clear();
} else {
time_source.1.push((Instant::now(), slot_now))
}
}
impl<B, E, Block, RA, PRA> Verifier<Block> for BabeVerifier<B, E, Block, RA, PRA> where
Block: BlockT,
B: Backend<Block> + 'static,