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Offline fallback for GRANDPA (#1619)

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Co-authored-by: André Silva <andre.beat@gmail.com>

* skeleton for finality tracker

* dispatch events when nothing finalized for a long time

* begin integrating finality tracker into grandpa

* add delay field to pending change

* add has_api_with function to sr_version for querying APIs

* partially integrate new force changes into grandpa

* implement forced changes

* get srml-grandpa compiling

* Update core/finality-grandpa/src/authorities.rs

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

* Update core/finality-grandpa/src/authorities.rs

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

* Update core/finality-grandpa/src/authorities.rs

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

* remove explicit dependence on CoreApi

* increase node runtime version

* integrate grandpa forced changes into node runtime

* add some tests to finality-tracker

* integrate finality tracking into node-runtime

* test forced-change logic

* test forced changes in the authority-set handler

* kill some unneeded bounds in client

* test forced-changes in finality-grandpa and fix logic

* build wasm and finality-tracker is no-std

* restart voter on forced change

* allow returning custom error type from lock_import_and_run

* extract out most DB logic to aux_schema and use atomic client ops

* unify authority set writing

* implement set pausing

* bump runtime version

* note on DB when we pause.

* core: grandpa: integrate forced changes with multiple pending standard changes

* core: grandpa: fix AuthoritySet tests

* runtime: bump impl_version

* core: clear pending justification requests after forced change import

* srml: finality-tracker: use FinalizedInherentData

* core: log requests for clearing justification requests

* core, node: update runtimes

* core: grandpa: fix tests

* core: grandpa: remove todos and add comments

* core: grandpa: use has_api_with from ApiExt

* core: fix tests

* core: grandpa: remove unnecessary mut modifier

* core: replace PostImportActions bitflags with struct

* core: grandpa: restrict genesis on forced authority set change

* core: grandpa: add more docs

* core: grandpa: prevent safety violations in Environment::finalize_block

* core: grandpa: register finality tracker inherent data provider

* core: grandpa: fix tests

* node: update runtime blobs

* core: grandpa: remove outdated todo

* core: aura: fix typo in log message

* core: grandpa: check re-finalization is on canonical chain

* srml: finality-tracker: fix initialization

* node: update runtime wasm

* srml: finality-tracker: don't re-initialize config keys
This commit is contained in:
Robert Habermeier
2019-03-05 16:41:35 +01:00
committed by André Silva
parent 128d164f2b
commit dfb48a2405
31 changed files with 2217 additions and 516 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/client/src/client.rs
+11 -8
View File
@@ -27,7 +27,7 @@ use runtime_primitives::{
};
use consensus::{
Error as ConsensusError, ErrorKind as ConsensusErrorKind, ImportBlock, ImportResult,
BlockOrigin, ForkChoiceStrategy
BlockOrigin, ForkChoiceStrategy,
};
use runtime_primitives::traits::{
Block as BlockT, Header as HeaderT, Zero, As, NumberFor, CurrentHeight, BlockNumberToHash,
@@ -619,9 +619,10 @@ impl<B, E, Block, RA> Client<B, E, Block, RA> where
}
/// Lock the import lock, and run operations inside.
pub fn lock_import_and_run<R, F: FnOnce(&mut ClientImportOperation<Block, Blake2Hasher, B>) -> error::Result<R>>(
&self, f: F
) -> error::Result<R> {
pub fn lock_import_and_run<R, Err, F>(&self, f: F) -> Result<R, Err> where
F: FnOnce(&mut ClientImportOperation<Block, Blake2Hasher, B>) -> Result<R, Err>,
Err: From<error::Error>,
{
let inner = || {
let _import_lock = self.import_lock.lock();
@@ -827,7 +828,7 @@ impl<B, E, Block, RA> Client<B, E, Block, RA> where
operation.notify_imported = Some((hash, origin, import_headers.into_post(), is_new_best, storage_changes));
}
Ok(ImportResult::Queued)
Ok(ImportResult::imported())
}
fn block_execution(
@@ -1391,13 +1392,15 @@ impl<B, E, Block, RA> consensus::BlockImport<Block> for Client<B, E, Block, RA>
blockchain::BlockStatus::InChain => {},
blockchain::BlockStatus::Unknown => return Ok(ImportResult::UnknownParent),
}
match self.backend.blockchain().status(BlockId::Hash(hash))
.map_err(|e| ConsensusError::from(ConsensusErrorKind::ClientImport(e.to_string())))?
{
blockchain::BlockStatus::InChain => return Ok(ImportResult::AlreadyInChain),
blockchain::BlockStatus::Unknown => {},
}
Ok(ImportResult::Queued)
Ok(ImportResult::imported())
}
}
@@ -1414,7 +1417,7 @@ impl<B, E, Block, RA> consensus::Authorities<Block> for Client<B, E, Block, RA>
impl<B, E, Block, RA> CurrentHeight for Client<B, E, Block, RA> where
B: backend::Backend<Block, Blake2Hasher>,
E: CallExecutor<Block, Blake2Hasher> + Clone,
E: CallExecutor<Block, Blake2Hasher>,
Block: BlockT<Hash=H256>,
{
type BlockNumber = <Block::Header as HeaderT>::Number;
@@ -1425,7 +1428,7 @@ impl<B, E, Block, RA> CurrentHeight for Client<B, E, Block, RA> where
impl<B, E, Block, RA> BlockNumberToHash for Client<B, E, Block, RA> where
B: backend::Backend<Block, Blake2Hasher>,
E: CallExecutor<Block, Blake2Hasher> + Clone,
E: CallExecutor<Block, Blake2Hasher>,
Block: BlockT<Hash=H256>,
{
type BlockNumber = <Block::Header as HeaderT>::Number;