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Grandpa validator set handoff justification (#1190)

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* core: make block justification optional

* runtime: update wasm binaries

* core: optionally pass justification on finalize_block

* finality-grandpa: add channel to trigger authority set changes

this will allow the `BlockImport` to trigger an authority set change when
importing a change block that provides a justification (when syncing)

* finality-grandpa: move finalize_block to free function

* finality-grandpa: add GrandpaOracle for auth set liveness checking

this will be used by `BlockImport` to check whether the authority set for a
given block is still live, if the authority set isn't live then importing a
change block requires a justification.

* finality-grandpa: store justification on finalized transition blocks

* finality-grandpa: check justification on authority set change blocks

* finality-grandpa: poll grandpa liveness oracle every 10 seconds

* finality-grandpa: spawn grandpa oracle in service setup

* core: support multiple subscriptions per consensus gossip topic

* finality-grandpa: create and verify justifications

* finality-grandpa: update to local branch of grandpa

* finality-grandpa: update to finality-grandpa v0.5.0

* finality-grandpa: move grandpa oracle code

* finality-grandpa: fix canonality check

* finality-grandpa: clean up error handling

* finality-grandpa: fix canonical_at_height

* finality-grandpa: fix tests

* runtime: update wasm binaries

* core: add tests for finalizing block with justification

* finality-grandpa: improve validation of justifications

* core: remove unused IncompleteJustification block import error

* core: test multiple subscribers for same consensus gossip topic

* Revert "finality-grandpa: improve validation of justifications"

This reverts commit 51eb2c58c2219801e876af6d6c9371bdd9ff2477.

* finality-grandpa: fix commit validation

* finality-grandpa: fix commit ancestry validation

* finality-grandpa: use grandpa v0.5.1

* finality-grandpa: add docs

* finality-grandpa: fix failing test

* finality-grandpa: only allow a pending authority set change per fork

* finality-grandpa: fix validator set transition test
This commit is contained in:
André Silva
2018-12-08 05:34:59 +00:00
committed by Gav Wood
parent da822276dd
commit e779eeb2ec
29 changed files with 1115 additions and 389 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/client/src/light/backend.rs
+1 -1
View File
@@ -102,7 +102,7 @@ impl<S, F, Block, H> ClientBackend<Block, H> for Backend<S, F> where
)
}
fn finalize_block(&self, block: BlockId<Block>) -> ClientResult<()> {
fn finalize_block(&self, block: BlockId<Block>, _justification: Option<Justification>) -> ClientResult<()> {
self.blockchain.storage().finalize_header(block)
}
substrate/core/client/src/light/fetcher.rs
+1 -1
View File
@@ -469,7 +469,7 @@ pub mod tests {
let mut local_headers_hashes = Vec::new();
for i in 0..4 {
let builder = remote_client.new_block().unwrap();
remote_client.justify_and_import(BlockOrigin::Own, builder.bake().unwrap()).unwrap();
remote_client.import(BlockOrigin::Own, builder.bake().unwrap()).unwrap();
local_headers_hashes.push(remote_client.block_hash(i + 1)
.map_err(|_| ClientErrorKind::Backend("TestError".into()).into()));
}