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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/node/cli/src/service.rs
+22 -7
View File
@@ -22,10 +22,8 @@ use std::sync::Arc;
use std::time::Duration;
use client::{self, LongestChain};
use consensus::{import_queue, start_aura, AuraImportQueue,
SlotDuration, NothingExtra
};
use grandpa;
use consensus::{import_queue, start_aura, AuraImportQueue, SlotDuration, NothingExtra};
use grandpa::{self, FinalityProofProvider as GrandpaFinalityProofProvider};
use node_executor;
use primitives::{Pair as PairT, ed25519};
use node_primitives::Block;
@@ -170,6 +168,8 @@ construct_service_factory! {
slot_duration,
block_import,
Some(justification_import),
None,
None,
client,
NothingExtra,
config.custom.inherent_data_providers.clone(),
@@ -177,16 +177,28 @@ construct_service_factory! {
}},
LightImportQueue = AuraImportQueue<Self::Block>
{ |config: &FactoryFullConfiguration<Self>, client: Arc<LightClient<Self>>| {
let fetch_checker = client.backend().blockchain().fetcher()
.upgrade()
.map(|fetcher| fetcher.checker().clone())
.ok_or_else(|| "Trying to start light import queue without active fetch checker")?;
let block_import = grandpa::light_block_import::<_, _, _, RuntimeApi, LightClient<Self>>(
client.clone(), Arc::new(fetch_checker), client.clone()
)?;
let block_import = Arc::new(block_import);
let finality_proof_import = block_import.clone();
let finality_proof_request_builder = finality_proof_import.create_finality_proof_request_builder();
import_queue::<_, _, _, ed25519::Pair>(
SlotDuration::get_or_compute(&*client)?,
client.clone(),
block_import,
None,
Some(finality_proof_import),
Some(finality_proof_request_builder),
client,
NothingExtra,
config.custom.inherent_data_providers.clone(),
).map_err(Into::into)
}
},
}},
SelectChain = LongestChain<FullBackend<Self>, Self::Block>
{ |config: &FactoryFullConfiguration<Self>, client: Arc<FullClient<Self>>| {
Ok(LongestChain::new(
@@ -195,6 +207,9 @@ construct_service_factory! {
))
}
},
FinalityProofProvider = { |client: Arc<FullClient<Self>>| {
Ok(Some(Arc::new(GrandpaFinalityProofProvider::new(client.clone(), client)) as _))
}},
}
}