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Use header metadata in babe verify. (#3756)

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* Use header_metadata in verify.

* Log hash in header_metadata error.

* Fix naming, error.
This commit is contained in:
Marcio Diaz
2019-10-05 10:43:19 +02:00
committed by Gavin Wood
parent 789ead9beb
commit 65ef193ec8
4 changed files with 7 additions and 8 deletions
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substrate/core/consensus/babe/src/lib.rs
+3 -4
View File
@@ -593,9 +593,8 @@ impl<B, E, Block, RA, PRA> Verifier<Block> for BabeVerifier<B, E, Block, RA, PRA
let hash = header.hash();
let parent_hash = *header.parent_hash();
let parent_header = self.client.header(&BlockId::Hash(parent_hash))
.map_err(|e| format!("Could not fetch parent header {:?}: {:?}", parent_hash, e))?
.ok_or_else(|| format!("Parent header {:?} not found.", parent_hash))?;
let parent_header_metadata = self.client.header_metadata(parent_hash)
.map_err(|e| format!("Could not fetch parent header: {:?}", e))?;
let pre_digest = find_pre_digest::<Block::Header>(&header)?;
let epoch = {
@@ -603,7 +602,7 @@ impl<B, E, Block, RA, PRA> Verifier<Block> for BabeVerifier<B, E, Block, RA, PRA
epoch_changes.epoch_for_child_of(
descendent_query(&*self.client),
&parent_hash,
parent_header.number().clone(),
parent_header_metadata.number,
pre_digest.slot_number(),
|slot| self.config.genesis_epoch(slot),
)