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im-online: send heartbeats at a random period (#8819)

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* im-online: send heartbeats at a random period

* support: use permill to represent session progress

* im-online: increase probability of heartbeating with session progress

* babe, session: fix tests

* babe: fix test
This commit is contained in:
André Silva
2021-06-12 16:58:36 +01:00
committed by GitHub
parent 517fd6149a
commit f21243e4e5
8 changed files with 140 additions and 36 deletions
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substrate/frame/session/src/lib.rs
+4 -4
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@@ -118,7 +118,7 @@ use sp_std::{prelude::*, marker::PhantomData, ops::{Sub, Rem}};
use codec::Decode;
use sp_runtime::{
traits::{AtLeast32BitUnsigned, Convert, Member, One, OpaqueKeys, Zero},
KeyTypeId, Perbill, Percent, RuntimeAppPublic,
KeyTypeId, Perbill, Permill, RuntimeAppPublic,
};
use sp_staking::SessionIndex;
use frame_support::{
@@ -168,7 +168,7 @@ impl<
Period::get()
}
fn estimate_current_session_progress(now: BlockNumber) -> (Option<Percent>, Weight) {
fn estimate_current_session_progress(now: BlockNumber) -> (Option<Permill>, Weight) {
let offset = Offset::get();
let period = Period::get();
@@ -177,12 +177,12 @@ impl<
// (0% is never returned).
let progress = if now >= offset {
let current = (now - offset) % period.clone() + One::one();
Some(Percent::from_rational(
Some(Permill::from_rational(
current.clone(),
period.clone(),
))
} else {
Some(Percent::from_rational(
Some(Permill::from_rational(
now + One::one(),
offset,
))