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Don't repeatedly lookup keys in babe_epochAuthorship rpc function (#5962)

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* babe: don't repeatedly lookup keys in authorship rpc function

Expose a new function `claim_slot_using_keypars` in Babe so that the `babe_epochAuthorship` can
lookup authorship for all slots in the epoch without repeatedly looking up keys in the keystore.

Time to run the `babe_epochAuthorship` RPC call goes from 7s to 25ms on a local dev chain on my
machine.

* babe: pass reference to slice instead of ref to Vec

* babe: fix bunch of clippy warnings
This commit is contained in:
Jon Häggblad
2020-05-11 10:48:34 +02:00
committed by GitHub
parent b21b70f830
commit 66931028f4
4 changed files with 55 additions and 39 deletions
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substrate/client/consensus/babe/src/aux_schema.rs
+1 -1
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@@ -112,7 +112,7 @@ pub(crate) fn write_epoch_changes<Block: BlockT, F, R>(
/// Write the cumulative chain-weight of a block ot aux storage.
pub(crate) fn write_block_weight<H: Encode, F, R>(
block_hash: H,
block_weight: &BabeBlockWeight,
block_weight: BabeBlockWeight,
write_aux: F,
) -> R where
F: FnOnce(&[(Vec<u8>, &[u8])]) -> R,