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Light GRANDPA import handler (#1669)

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* GrandpaLightBlockImport

* extract authorities in AuraVerifier

* post-merge fix

* restore authorities cache

* license

* new finality proof draft

* generalized PendingJustifications

* finality proof messages

* fixed compilation

* pass verifier to import_finality_proof

* do not fetch remote proof from light import directly

* FinalityProofProvider

* fixed authorities cache test

* restored finality proof tests

* finality_proof docs

* use DB backend in test client

* justification_is_fetched_by_light_client_when_consensus_data_changes

* restore justification_is_fetched_by_light_client_when_consensus_data_changes

* some more tests

* added authorities-related TODO

* removed unneeded clear_finality_proof_requests field

* truncated some long lines

* more granular light import tests

* only provide finality proof if it is generated by the requested set

* post-merge fix

* finality_proof_is_none_if_first_justification_is_generated_by_unknown_set

* make light+grandpa test rely on finality proofs (instead of simple justifications)

* empty_finality_proof_is_returned_to_light_client_when_authority_set_is_different

* missing trait method impl

* fixed proof-of-finality docs

* one more doc fix

* fix docs

* initialize authorities cache (post-merge fix)

* fixed cache initialization (post-merge fix)

* post-fix merge: fix light + GRANDPA tests (bad way)

* proper fix of empty_finality_proof_is_returned_to_light_client_when_authority_set_is_different

* fixed easy grumbles

* import finality proofs in BlockImportWorker thread

* allow import of finality proofs for non-requested blocks

* limit number of fragments in finality proof

* GRANDPA post-merge fix

* BABE: pos-merge fix
This commit is contained in:
Svyatoslav Nikolsky
2019-05-13 12:36:52 +03:00
committed by Gavin Wood
parent 258f0835e4
commit 22586113ea
36 changed files with 3320 additions and 803 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/finality-grandpa/src/justification.rs
+4 -5
View File
@@ -95,17 +95,16 @@ impl<Block: BlockT<Hash=H256>> GrandpaJustification<Block> {
/// Decode a GRANDPA justification and validate the commit and the votes'
/// ancestry proofs finalize the given block.
pub(crate) fn decode_and_verify_finalizes(
encoded: Vec<u8>,
encoded: &[u8],
finalized_target: (Block::Hash, NumberFor<Block>),
set_id: u64,
voters: &VoterSet<AuthorityId>,
) -> Result<GrandpaJustification<Block>, ClientError> where
NumberFor<Block>: grandpa::BlockNumberOps,
{
let justification = GrandpaJustification::<Block>::decode(&mut &*encoded).ok_or_else(|| {
let msg = "failed to decode grandpa justification".to_string();
ClientError::from(ClientError::BadJustification(msg))
})?;
let justification = GrandpaJustification::<Block>::decode(&mut &*encoded)
.ok_or(ClientError::JustificationDecode)?;
if (justification.commit.target_hash, justification.commit.target_number) != finalized_target {
let msg = "invalid commit target in grandpa justification".to_string();