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grandpa: report equivocations with unsigned extrinsics (#6656)

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* grandpa: use unsigned extrinsics for equivocation reporting

* grandpa: allow signed reports as well

* grandpa: change runtime api for submitting unsigned extrinsics

* grandpa: fix tests

* grandpa: add test for unsigned validation

* grandpa: add benchmark for equivocation proof checking

* offences: fix grandpa benchmark

* grandpa: add proper weight for equivocation reporting extrinsic

* grandpa: fix weight unit
This commit is contained in:
André Silva
2020-07-17 11:32:20 +01:00
committed by GitHub
parent 8ae1aa4c28
commit ae38a806ed
18 changed files with 569 additions and 359 deletions
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substrate/frame/offences/benchmarking/src/lib.rs
+7 -12
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@@ -282,21 +282,16 @@ benchmarks! {
}
report_offence_grandpa {
let r in 1 .. MAX_REPORTERS;
let n in 0 .. MAX_NOMINATORS.min(MAX_NOMINATIONS as u32);
let o = 1;
// Make r reporters
let mut reporters = vec![];
for i in 0 .. r {
let reporter = account("reporter", i, SEED);
reporters.push(reporter);
}
// for grandpa equivocation reports the number of reporters
// and offenders is always 1
let reporters = vec![account("reporter", 1, SEED)];
// make sure reporters actually get rewarded
Staking::<T>::set_slash_reward_fraction(Perbill::one());
let (mut offenders, raw_offenders) = make_offenders::<T>(o, n)?;
let (mut offenders, raw_offenders) = make_offenders::<T>(1, n)?;
let keys = ImOnline::<T>::keys();
let offence = GrandpaEquivocationOffence {
@@ -316,9 +311,9 @@ benchmarks! {
assert_eq!(
System::<T>::event_count(), 0
+ 1 // offence
+ 2 * r // reporter (reward + endowment)
+ o // offenders slashed
+ o * n // nominators slashed
+ 2 // reporter (reward + endowment)
+ 1 // offenders slashed
+ n // nominators slashed
);
}