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babe: report equivocations (#6362)

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* slots: create primitives crate for consensus slots

* offences: add method to check if an offence is unknown

* babe: initial equivocation reporting implementation

* babe: organize imports

* babe: working equivocation reporting

* babe: add slot number to equivocation proof

* session: move duplicate traits to session primitives

* babe: move equivocation stuff to its own file

* offences: fix test

* session: don't have primitives depend on frame_support

* babe: use opaque type for key owner proof

* babe: cleanup client equivocation reporting

* babe: cleanup equivocation code in pallet

* babe: allow sending signed equivocation reports

* node: fix compilation

* fix test compilation

* babe: return bool on check_equivocation_proof

* babe: add test for equivocation reporting

* babe: add more tests

* babe: add test for validate unsigned

* babe: take slot number in generate_key_ownership_proof API

* babe: add benchmark for equivocation proof checking

* session: add benchmark for membership proof checking

* offences: fix babe benchmark

* babe: add weights based on benchmark results

* babe: adjust weights after benchmarking on reference hardware

* babe: reorder checks in check_and_report_equivocation
This commit is contained in:
André Silva
2020-07-04 11:18:13 +01:00
committed by GitHub
parent 61635e75c1
commit a9c21b8b84
34 changed files with 2031 additions and 275 deletions
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substrate/frame/grandpa/src/equivocation.rs
+1 -35
View File
@@ -50,6 +50,7 @@ use sp_runtime::{
},
DispatchResult, Perbill,
};
use sp_session::GetSessionNumber;
use sp_staking::{
offence::{Kind, Offence, OffenceError, ReportOffence},
SessionIndex,
@@ -376,38 +377,3 @@ impl<FullIdentification: Clone> Offence<FullIdentification>
x.square()
}
}
/// A trait to get a session number the `MembershipProof` belongs to.
pub trait GetSessionNumber {
fn session(&self) -> SessionIndex;
}
/// A trait to get the validator count at the session the `MembershipProof`
/// belongs to.
pub trait GetValidatorCount {
fn validator_count(&self) -> sp_session::ValidatorCount;
}
impl GetSessionNumber for frame_support::Void {
fn session(&self) -> SessionIndex {
Default::default()
}
}
impl GetValidatorCount for frame_support::Void {
fn validator_count(&self) -> sp_session::ValidatorCount {
Default::default()
}
}
impl GetSessionNumber for sp_session::MembershipProof {
fn session(&self) -> SessionIndex {
self.session
}
}
impl GetValidatorCount for sp_session::MembershipProof {
fn validator_count(&self) -> sp_session::ValidatorCount {
self.validator_count
}
}