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Dispatch on-disabled digests from consensus modules (#3055)

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* on-disable primitives for engines

* dispatch on-disabled digests from SRML consensus

* bump runtime versions

* use find_map
This commit is contained in:
Robert Habermeier
2019-07-08 16:22:15 +02:00
committed by Gavin Wood
parent 3d72844710
commit 13b9e49688
11 changed files with 140 additions and 72 deletions
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substrate/srml/babe/src/lib.rs
+12 -7
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@@ -31,7 +31,7 @@ use parity_codec::{Encode, Decode};
use inherents::{RuntimeString, InherentIdentifier, InherentData, ProvideInherent, MakeFatalError};
#[cfg(feature = "std")]
use inherents::{InherentDataProviders, ProvideInherentData};
use babe_primitives::BABE_ENGINE_ID;
use babe_primitives::{BABE_ENGINE_ID, ConsensusLog};
pub use babe_primitives::{AuthorityId, VRF_OUTPUT_LENGTH, VRF_PROOF_LENGTH, PUBLIC_KEY_LENGTH};
/// The BABE inherent identifier.
@@ -128,13 +128,13 @@ decl_storage! {
/// (like everything else on-chain) it is public. For example, it can be
/// used where a number is needed that cannot have been chosen by an
/// adversary, for purposes such as public-coin zero-knowledge proofs.
EpochRandomness get(epoch_randomness): [u8; 32];
EpochRandomness get(epoch_randomness): [u8; VRF_OUTPUT_LENGTH];
/// The randomness under construction
UnderConstruction: [u8; 32];
UnderConstruction: [u8; VRF_OUTPUT_LENGTH];
/// The randomness for the next epoch
NextEpochRandomness: [u8; 32];
NextEpochRandomness: [u8; VRF_OUTPUT_LENGTH];
/// The current epoch
EpochIndex get(epoch_index): u64;
@@ -162,7 +162,7 @@ decl_module! {
}
impl<T: Trait> RandomnessBeacon for Module<T> {
fn random() -> [u8; 32] {
fn random() -> [u8; VRF_OUTPUT_LENGTH] {
Self::epoch_randomness()
}
}
@@ -245,8 +245,13 @@ impl<T: Trait> session::OneSessionHandler<T::AccountId> for Module<T> {
s[40..].copy_from_slice(&rho);
NextEpochRandomness::put(runtime_io::blake2_256(&s))
}
fn on_disabled(_i: usize) {
// ignore?
fn on_disabled(i: usize) {
let log: DigestItem<T::Hash> = DigestItem::Consensus(
BABE_ENGINE_ID,
ConsensusLog::OnDisabled(i as u64).encode(),
);
<system::Module<T>>::deposit_log(log.into());
}
}