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BEEFY: gossip finality proofs (#13727)

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* sc-consensus-beefy: add justifications to gossip protocol

* sc-consensus-beefy: voter gossips finality proofs

* sc-consensus-beefy: add finality proof gossip test

* sc-consensus-beefy: always gossip finality proof

Gossip finality proof in _both_ cases of reaching finality threshold
through votes:
1. threshold reached through self vote,
2. threshold reached through incoming vote.

* address comments
This commit is contained in:
Adrian Catangiu
2023-03-30 17:23:36 +03:00
committed by GitHub
parent 25a616ce08
commit 92c1229e24
7 changed files with 637 additions and 201 deletions
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substrate/client/consensus/beefy/src/justification.rs
+12 -4
View File
@@ -21,13 +21,21 @@ use codec::{Decode, Encode};
use sp_consensus::Error as ConsensusError;
use sp_consensus_beefy::{
crypto::{AuthorityId, Signature},
ValidatorSet, VersionedFinalityProof,
ValidatorSet, ValidatorSetId, VersionedFinalityProof,
};
use sp_runtime::traits::{Block as BlockT, NumberFor};
/// A finality proof with matching BEEFY authorities' signatures.
pub type BeefyVersionedFinalityProof<Block> =
sp_consensus_beefy::VersionedFinalityProof<NumberFor<Block>, Signature>;
pub type BeefyVersionedFinalityProof<Block> = VersionedFinalityProof<NumberFor<Block>, Signature>;
pub(crate) fn proof_block_num_and_set_id<Block: BlockT>(
proof: &BeefyVersionedFinalityProof<Block>,
) -> (NumberFor<Block>, ValidatorSetId) {
match proof {
VersionedFinalityProof::V1(sc) =>
(sc.commitment.block_number, sc.commitment.validator_set_id),
}
}
/// Decode and verify a Beefy FinalityProof.
pub(crate) fn decode_and_verify_finality_proof<Block: BlockT>(
@@ -41,7 +49,7 @@ pub(crate) fn decode_and_verify_finality_proof<Block: BlockT>(
}
/// Verify the Beefy finality proof against the validator set at the block it was generated.
fn verify_with_validator_set<Block: BlockT>(
pub(crate) fn verify_with_validator_set<Block: BlockT>(
target_number: NumberFor<Block>,
validator_set: &ValidatorSet<AuthorityId>,
proof: &BeefyVersionedFinalityProof<Block>,