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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/primitives/consensus/babe/src/digests.rs
+8 -14
View File
@@ -17,18 +17,14 @@
//! Private implementation details of BABE digests.
#[cfg(feature = "std")]
use super::{BABE_ENGINE_ID, AuthoritySignature};
use super::{AuthorityId, AuthorityIndex, SlotNumber, BabeAuthorityWeight, BabeEpochConfiguration, AllowedSlots};
#[cfg(feature = "std")]
use sp_runtime::{DigestItem, generic::OpaqueDigestItemId};
#[cfg(feature = "std")]
use std::fmt::Debug;
use codec::{Decode, Encode};
#[cfg(feature = "std")]
use codec::Codec;
use super::{
AllowedSlots, AuthorityId, AuthorityIndex, AuthoritySignature, BabeAuthorityWeight,
BabeEpochConfiguration, SlotNumber, BABE_ENGINE_ID,
};
use codec::{Codec, Decode, Encode};
use sp_std::vec::Vec;
use sp_runtime::RuntimeDebug;
use sp_runtime::{generic::OpaqueDigestItemId, DigestItem, RuntimeDebug};
use sp_consensus_vrf::schnorrkel::{Randomness, VRFOutput, VRFProof};
/// Raw BABE primary slot assignment pre-digest.
@@ -151,7 +147,6 @@ impl From<NextConfigDescriptor> for BabeEpochConfiguration {
}
/// A digest item which is usable with BABE consensus.
#[cfg(feature = "std")]
pub trait CompatibleDigestItem: Sized {
/// Construct a digest item which contains a BABE pre-digest.
fn babe_pre_digest(seal: PreDigest) -> Self;
@@ -172,9 +167,8 @@ pub trait CompatibleDigestItem: Sized {
fn as_next_config_descriptor(&self) -> Option<NextConfigDescriptor>;
}
#[cfg(feature = "std")]
impl<Hash> CompatibleDigestItem for DigestItem<Hash> where
Hash: Debug + Send + Sync + Eq + Clone + Codec + 'static
Hash: Send + Sync + Eq + Clone + Codec + 'static
{
fn babe_pre_digest(digest: PreDigest) -> Self {
DigestItem::PreRuntime(BABE_ENGINE_ID, digest.encode())