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Add WeightInfo to Babe and Grandpa Pallet (#7155)

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* Add `WeightInfo` to Babe Pallet

* Also grandpa

* Update frame/grandpa/src/default_weights.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
This commit is contained in:
Shawn Tabrizi
2020-09-21 15:31:44 +02:00
committed by GitHub
parent 0e843d260c
commit 42a4c2eef0
11 changed files with 138 additions and 81 deletions
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substrate/frame/babe/src/lib.rs
+9 -34
View File
@@ -51,6 +51,7 @@ use sp_inherents::{InherentData, InherentIdentifier, MakeFatalError, ProvideInhe
pub use sp_consensus_babe::{AuthorityId, PUBLIC_KEY_LENGTH, RANDOMNESS_LENGTH, VRF_OUTPUT_LENGTH};
mod equivocation;
mod default_weights;
#[cfg(any(feature = "runtime-benchmarks", test))]
mod benchmarking;
@@ -102,6 +103,12 @@ pub trait Trait: pallet_timestamp::Trait {
/// `()`) you must use this pallet's `ValidateUnsigned` in the runtime
/// definition.
type HandleEquivocation: HandleEquivocation<Self>;
type WeightInfo: WeightInfo;
}
pub trait WeightInfo {
fn report_equivocation(validator_count: u32) -> Weight;
}
/// Trigger an epoch change, if any should take place.
@@ -256,7 +263,7 @@ decl_module! {
/// the equivocation proof and validate the given key ownership proof
/// against the extracted offender. If both are valid, the offence will
/// be reported.
#[weight = weight_for::report_equivocation::<T>(key_owner_proof.validator_count())]
#[weight = <T as Trait>::WeightInfo::report_equivocation(key_owner_proof.validator_count())]
fn report_equivocation(
origin,
equivocation_proof: EquivocationProof<T::Header>,
@@ -279,7 +286,7 @@ decl_module! {
/// block authors will call it (validated in `ValidateUnsigned`), as such
/// if the block author is defined it will be defined as the equivocation
/// reporter.
#[weight = weight_for::report_equivocation::<T>(key_owner_proof.validator_count())]
#[weight = <T as Trait>::WeightInfo::report_equivocation(key_owner_proof.validator_count())]
fn report_equivocation_unsigned(
origin,
equivocation_proof: EquivocationProof<T::Header>,
@@ -296,38 +303,6 @@ decl_module! {
}
}
mod weight_for {
use frame_support::{
traits::Get,
weights::{
constants::{WEIGHT_PER_MICROS, WEIGHT_PER_NANOS},
Weight,
},
};
pub fn report_equivocation<T: super::Trait>(validator_count: u32) -> Weight {
// we take the validator set count from the membership proof to
// calculate the weight but we set a floor of 100 validators.
let validator_count = validator_count.max(100) as u64;
// worst case we are considering is that the given offender
// is backed by 200 nominators
const MAX_NOMINATORS: u64 = 200;
// checking membership proof
(35 * WEIGHT_PER_MICROS)
.saturating_add((175 * WEIGHT_PER_NANOS).saturating_mul(validator_count))
.saturating_add(T::DbWeight::get().reads(5))
// check equivocation proof
.saturating_add(110 * WEIGHT_PER_MICROS)
// report offence
.saturating_add(110 * WEIGHT_PER_MICROS)
.saturating_add(25 * WEIGHT_PER_MICROS * MAX_NOMINATORS)
.saturating_add(T::DbWeight::get().reads(14 + 3 * MAX_NOMINATORS))
.saturating_add(T::DbWeight::get().writes(10 + 3 * MAX_NOMINATORS))
}
}
impl<T: Trait> RandomnessT<<T as frame_system::Trait>::Hash> for Module<T> {
/// Some BABE blocks have VRF outputs where the block producer has exactly one bit of influence,
/// either they make the block or they do not make the block and thus someone else makes the