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grandpa: round catchup messages (#2801)

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* grandpa: initial structure for catch up messages

* grandpa: answer catch up requests

* grandpa: inject catch up messages into global stream

* grandpa: keep track of pending catch up request

* grandpa: block catchup until all referenced blocks are imported

* grandpa: unify catch up and commit streams

* grandpa: simplify communication stream/sink types

* grandpa: note gossip validator on catch up message import

* grandpa: fix cost on catch up message validation

* grandpa: check signatures on catch up messages

* grandpa: clean up catch up request handling state

* grandpa: adjust costs on invalid catch up requests

* grandpa: release lock before pushing catch up message

* grandpa: validate catch up request against peer view

* grandpa: catch up docs

* grandpa: fix tests

* grandpa: until_imported: add tests for catch up messages

* grandpa: add tests for catch up message gossip validation

* grandpa: integrate HistoricalVotes changes

* grandpa: add test for neighbor packet triggering catch up

* grandpa: add test for full voter catch up

* grandpa: depend on finality-grandpa 0.8 from crates

* granda: use finality-grandpa test helpers

* grandpa: add PSM cost for answering catch up requests

* grandpa: code style fixes

Co-Authored-By: Robert Habermeier <rphmeier@gmail.com>

* grandpa: more trailing commas

* grandpa: lower cost of invalid catch up requests near set change

* grandpa: process catch up sending on import of neighbor message

* grandpa: add comments on HistoricalVotes

* grandpa: use finality-grandpa v0.8.1 from crates.io

* grandpa: fix test compilation
This commit is contained in:
André Silva
2019-07-04 20:40:16 +01:00
committed by GitHub
parent 90f214f000
commit d5bc7325b9
11 changed files with 1381 additions and 240 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/finality-grandpa/src/observer.rs
+6 -12
View File
@@ -30,7 +30,7 @@ use runtime_primitives::traits::{NumberFor, Block as BlockT};
use substrate_primitives::{H256, Blake2Hasher};
use crate::{
AuthoritySignature, global_communication, CommandOrError, Config, environment,
global_communication, CommandOrError, CommunicationIn, Config, environment,
LinkHalf, Network, aux_schema::PersistentData, VoterCommand, VoterSetState,
};
use crate::authorities::SharedAuthoritySet;
@@ -70,7 +70,7 @@ fn grandpa_observer<B, E, Block: BlockT<Hash=H256>, RA, S>(
E: CallExecutor<Block, Blake2Hasher> + Send + Sync,
RA: Send + Sync,
S: Stream<
Item = voter::CommunicationIn<H256, NumberFor<Block>, AuthoritySignature, AuthorityId>,
Item = CommunicationIn<Block>,
Error = CommandOrError<Block::Hash, NumberFor<Block>>,
>,
{
@@ -85,8 +85,8 @@ fn grandpa_observer<B, E, Block: BlockT<Hash=H256>, RA, S>(
let commit = grandpa::Commit::from(commit);
(round, commit, callback)
},
voter::CommunicationIn::Auxiliary(_) => {
// ignore aux messages
voter::CommunicationIn::CatchUp(..) => {
// ignore catch up messages
return future::ok(last_finalized_number);
},
};
@@ -167,15 +167,9 @@ pub fn run_grandpa_observer<B, E, Block: BlockT<Hash=H256>, N, RA, SC>(
} = link;
let PersistentData { authority_set, consensus_changes, set_state } = persistent_data;
let initial_state = (authority_set, consensus_changes, set_state.clone(), voter_commands_rx.into_future());
let (network, network_startup) = NetworkBridge::new(
network,
config.clone(),
None,
on_exit.clone(),
);
let initial_state = (authority_set, consensus_changes, set_state, voter_commands_rx.into_future());
let (network, network_startup) = NetworkBridge::new(network, config.clone(), set_state, on_exit.clone());
let observer_work = future::loop_fn(initial_state, move |state| {
let (authority_set, consensus_changes, set_state, voter_commands_rx) = state;