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VRF refactory (#13889)

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* First iteration to encapsulate schnorrkel and merlin usage

* Remove schnorkel direct dependency from BABE pallet

* Remove schnorrkel direct dependency from BABE client

* Trivial renaming for VrfTranscript data and value

* Better errors

* Expose a function to get a schnorrkel friendly transcript

* Keep the vrf signature stuff together (preventing some clones around)

* Fix tests

* Remove vrf agnostic transcript and define it as an associated type for VrfSigner and VrfVerifier

* Fix babe pallet mock

* Inner types are required to be public for polkadot

* Update client/consensus/babe/src/verification.rs

Co-authored-by: Koute <koute@users.noreply.github.com>

* Nit

* Remove Deref implementations

* make_bytes as a method

* Trigger CI

---------

Co-authored-by: Koute <koute@users.noreply.github.com>
This commit is contained in:
Davide Galassi
2023-04-19 11:11:47 +02:00
committed by GitHub
parent d9ad6feac0
commit bb394e08ac
28 changed files with 473 additions and 717 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/primitives/consensus/babe/src/digests.rs
+12 -16
View File
@@ -19,14 +19,15 @@
use super::{
AllowedSlots, AuthorityId, AuthorityIndex, AuthoritySignature, BabeAuthorityWeight,
BabeEpochConfiguration, Slot, BABE_ENGINE_ID,
BabeEpochConfiguration, Randomness, Slot, BABE_ENGINE_ID,
};
use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
use sp_core::sr25519::vrf::VrfSignature;
use sp_runtime::{DigestItem, RuntimeDebug};
use sp_std::vec::Vec;
use sp_consensus_vrf::schnorrkel::{Randomness, VRFOutput, VRFProof};
use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
/// Raw BABE primary slot assignment pre-digest.
#[derive(Clone, RuntimeDebug, Encode, Decode, MaxEncodedLen, TypeInfo)]
@@ -35,10 +36,8 @@ pub struct PrimaryPreDigest {
pub authority_index: super::AuthorityIndex,
/// Slot
pub slot: Slot,
/// VRF output
pub vrf_output: VRFOutput,
/// VRF proof
pub vrf_proof: VRFProof,
/// VRF signature
pub vrf_signature: VrfSignature,
}
/// BABE secondary slot assignment pre-digest.
@@ -62,10 +61,8 @@ pub struct SecondaryVRFPreDigest {
pub authority_index: super::AuthorityIndex,
/// Slot
pub slot: Slot,
/// VRF output
pub vrf_output: VRFOutput,
/// VRF proof
pub vrf_proof: VRFProof,
/// VRF signature
pub vrf_signature: VrfSignature,
}
/// A BABE pre-runtime digest. This contains all data required to validate a
@@ -118,11 +115,10 @@ impl PreDigest {
}
/// Returns the VRF output and proof, if they exist.
pub fn vrf(&self) -> Option<(&VRFOutput, &VRFProof)> {
pub fn vrf_signature(&self) -> Option<&VrfSignature> {
match self {
PreDigest::Primary(primary) => Some((&primary.vrf_output, &primary.vrf_proof)),
PreDigest::SecondaryVRF(secondary) =>
Some((&secondary.vrf_output, &secondary.vrf_proof)),
PreDigest::Primary(primary) => Some(&primary.vrf_signature),
PreDigest::SecondaryVRF(secondary) => Some(&secondary.vrf_signature),
PreDigest::SecondaryPlain(_) => None,
}
}