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grandpa-rpc: use FinalityProofProvider to check finality for rpc (#6215)

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* grandpa-rpc: use FinalityProofProvider to check finality for rpc

* grandpa-rpc: minor tidy

* grandpa-rpc: remove dyn FinalityProofProvider

* grandpa-rpc: remove unused dependencies

* node: move finality_proof_provider setup

* grandpa-rpc: print error reported by finality_proof_provider

* grandpa-rpc: add note about unnecessary encode/decode

* grandpa-rpc: dont encode/decode and use correct hash

* grandpa-rpc: set_id is optional

* grandpa-rpc: create test for prove_finality

* grandpa-rpc: set visibility back to how it was

* grandpa-rpc: remove unused dependency

* grandpa-rpc: minor tidy

* grandpa: doc strings

* grandpa-rpc: rename to prove_finality

* grandpa-rpc: use current set id if none is provided

* grandpa-rpc: remove unnecessary check in test

* node: group finality_proof_provider in rpc_setup

* grandpa: make prove_finality concrete in FinalityProofProvider

* grandpa-rpc: wrap finality output in struct and store as Bytes

* grandpa-rpc: exhaustive error codes and wrap

* grandpa-rpc: let prove_finality take a range instead of a starting point

* grandpa-rpc: fix test for changed API

* grandpa-rpc: fix line length

* grandpa: fix reviewer nits

* node/rpc: fix reviewer comments
This commit is contained in:
Jon Häggblad
2020-09-18 18:39:27 +02:00
committed by GitHub
parent 743cf7543b
commit 8a0ac4c40c
10 changed files with 263 additions and 31 deletions
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substrate/client/finality-grandpa/src/finality_proof.rs
+25 -2
View File
@@ -180,7 +180,30 @@ impl<B, Block: BlockT> FinalityProofProvider<B, Block>
) -> Arc<Self> {
Arc::new(Self::new(backend, storage_and_proof_provider))
}
}
impl<B, Block> FinalityProofProvider<B, Block>
where
Block: BlockT,
NumberFor<Block>: BlockNumberOps,
B: Backend<Block> + Send + Sync + 'static,
{
/// Prove finality for the range (begin; end] hash. Returns None if there are no finalized blocks
/// unknown in the range.
pub fn prove_finality(
&self,
begin: Block::Hash,
end: Block::Hash,
authorities_set_id: u64,
) -> Result<Option<Vec<u8>>, ClientError> {
prove_finality::<_, _, GrandpaJustification<Block>>(
&*self.backend.blockchain(),
&*self.authority_provider,
authorities_set_id,
begin,
end,
)
}
}
impl<B, Block> sc_network::config::FinalityProofProvider<Block> for FinalityProofProvider<B, Block>
@@ -232,8 +255,8 @@ pub struct FinalityEffects<Header: HeaderT> {
/// 1) the justification for the descendant block F;
/// 2) headers sub-chain (B; F] if B != F;
/// 3) proof of GRANDPA::authorities() if the set changes at block F.
#[derive(Debug, PartialEq, Encode, Decode)]
pub(crate) struct FinalityProofFragment<Header: HeaderT> {
#[derive(Debug, PartialEq, Encode, Decode, Clone)]
pub struct FinalityProofFragment<Header: HeaderT> {
/// The hash of block F for which justification is provided.
pub block: Header::Hash,
/// Justification of the block F.