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Introduce a Slot type (#7997)

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* Introduce a `Slot` type

Instead of having some type definition that only was used in half of the
code or directly using `u64`, this adds a new unit type wrapper `Slot`.
This makes it especially easy for the outside api to know what type is
expected/returned.

* Change epoch duratioC

* rename all instances of slot number to slot

* Make the constructor private

Co-authored-by: André Silva <andrerfosilva@gmail.com>
This commit is contained in:
Bastian Köcher
2021-01-28 20:44:22 +01:00
committed by GitHub
parent 6c2dd28dfb
commit b6294418f8
34 changed files with 549 additions and 445 deletions
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substrate/client/consensus/babe/rpc/src/lib.rs
+16 -10
View File
@@ -124,7 +124,13 @@ impl<B, C, SC> BabeApi for BabeRpcHandler<B, C, SC>
.map_err(|err| {
Error::StringError(format!("{:?}", err))
})?;
let epoch = epoch_data(&shared_epoch, &client, &babe_config, epoch_start, &select_chain)?;
let epoch = epoch_data(
&shared_epoch,
&client,
&babe_config,
*epoch_start,
&select_chain,
)?;
let (epoch_start, epoch_end) = (epoch.start_slot(), epoch.end_slot());
let mut claims: HashMap<AuthorityId, EpochAuthorship> = HashMap::new();
@@ -142,19 +148,19 @@ impl<B, C, SC> BabeApi for BabeRpcHandler<B, C, SC>
.collect::<Vec<_>>()
};
for slot_number in epoch_start..epoch_end {
for slot in *epoch_start..*epoch_end {
if let Some((claim, key)) =
authorship::claim_slot_using_keys(slot_number, &epoch, &keystore, &keys)
authorship::claim_slot_using_keys(slot.into(), &epoch, &keystore, &keys)
{
match claim {
PreDigest::Primary { .. } => {
claims.entry(key).or_default().primary.push(slot_number);
claims.entry(key).or_default().primary.push(slot);
}
PreDigest::SecondaryPlain { .. } => {
claims.entry(key).or_default().secondary.push(slot_number);
claims.entry(key).or_default().secondary.push(slot);
}
PreDigest::SecondaryVRF { .. } => {
claims.entry(key).or_default().secondary_vrf.push(slot_number);
claims.entry(key).or_default().secondary_vrf.push(slot.into());
},
};
}
@@ -167,7 +173,7 @@ impl<B, C, SC> BabeApi for BabeRpcHandler<B, C, SC>
}
}
/// Holds information about the `slot_number`'s that can be claimed by a given key.
/// Holds information about the `slot`'s that can be claimed by a given key.
#[derive(Default, Debug, Deserialize, Serialize)]
pub struct EpochAuthorship {
/// the array of primary slots that can be claimed
@@ -197,12 +203,12 @@ impl From<Error> for jsonrpc_core::Error {
}
}
/// fetches the epoch data for a given slot_number.
/// fetches the epoch data for a given slot.
fn epoch_data<B, C, SC>(
epoch_changes: &SharedEpochChanges<B, Epoch>,
client: &Arc<C>,
babe_config: &Config,
slot_number: u64,
slot: u64,
select_chain: &SC,
) -> Result<Epoch, Error>
where
@@ -215,7 +221,7 @@ fn epoch_data<B, C, SC>(
descendent_query(&**client),
&parent.hash(),
parent.number().clone(),
slot_number,
slot.into(),
|slot| Epoch::genesis(&babe_config, slot),
)
.map_err(|e| Error::Consensus(ConsensusError::ChainLookup(format!("{:?}", e))))?