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Use new benchmark for staking rewards #2461

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merged 12 commits into from
Aug 30, 2023
Merged

Use new benchmark for staking rewards #2461

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626f914
use new benchmark for staking rewards
nbaztec Aug 29, 2023
f7b283d
lint
nbaztec Aug 29, 2023
41500b5
simplify math
nbaztec Aug 29, 2023
39e72a9
use benchmark server weights
nbaztec Aug 29, 2023
ce4c628
add return
nbaztec Aug 30, 2023
48febed
Adds ts test for payout PoV
crystalin Aug 30, 2023
139661d
use benchmarked weights
nbaztec Aug 30, 2023
20c58bb
lint
nbaztec Aug 30, 2023
e53ad9d
Merge branch 'master' into nish-staking-pay-benchmark
nbaztec Aug 30, 2023
01d37d6
fix build
nbaztec Aug 30, 2023
58e71e8
fix mock
nbaztec Aug 30, 2023
b71fec2
fix mock
nbaztec Aug 30, 2023
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112 changes: 111 additions & 1 deletion pallets/parachain-staking/src/benchmarks.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1618,6 +1618,116 @@ benchmarks! {
verify {
}

pay_one_collator_reward_best {
// x controls number of delegations
let x in 0..(
T::MaxTopDelegationsPerCandidate::get()
+ T::MaxBottomDelegationsPerCandidate::get() - 1
);
// y controls the number of auto-compounding delegations
let y in 0..(
T::MaxTopDelegationsPerCandidate::get()
+ T::MaxBottomDelegationsPerCandidate::get() - 1
);
// z is the number of scheduled requests per collator
let z in 0..(
T::MaxTopDelegationsPerCandidate::get()
+ T::MaxBottomDelegationsPerCandidate::get() - 1
);

use crate::{
DelayedPayout, DelayedPayouts, AtStake, CollatorSnapshot, BondWithAutoCompound, Points,
AwardedPts,
};

let mut seed = Seed::new();
let prime_candidate = create_account::<T>(
"collator",
seed.take(),
AccountBalance::MinCandidateStake,
AccountAction::JoinCandidates{ amount: Amount::All, candidate_count: 1u32 },
)?;

let mut delegations = Vec::new();
let mut col_del_count = 0u32;
let initial_delegator_balance = T::MinDelegation::get() + 100u32.into();
for i in 0..x {
let auto_compound = if i+1 <= y { Percent::from_percent(100) } else { Percent::from_percent(0) };
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let delegator = create_account::<T>(
"delegator",
seed.take(),
AccountBalance::Value(initial_delegator_balance),
AccountAction::Delegate{
collator: prime_candidate.clone(),
amount: Amount::All,
auto_compound,
collator_delegation_count: col_del_count,
collator_auto_compound_delegation_count: col_del_count,
},
)?;
col_del_count += 1u32;
if i+1 <= z {
Pallet::<T>::schedule_delegator_bond_less(
RawOrigin::Signed(delegator.clone()).into(),
prime_candidate.clone(),
5u32.into(),
)?;
}

delegations.push(BondWithAutoCompound {
owner: delegator.clone(),
amount: initial_delegator_balance,
auto_compound,
});
}

let total_staked = min_candidate_stk::<T>()
+ (Into::<BalanceOf<T>>::into(x) * initial_delegator_balance);
let round_for_payout = 5;
<DelayedPayouts<T>>::insert(&round_for_payout, DelayedPayout {
round_issuance: 1000u32.into(),
total_staking_reward: total_staked,
collator_commission: Perbill::from_rational(1u32, 100u32),
});

<AtStake<T>>::insert(round_for_payout, &prime_candidate, CollatorSnapshot {
bond: 1_000u32.into(),
delegations: delegations.clone(),
total: 1_000_000u32.into(),
});

<Points<T>>::insert(round_for_payout, 100);
<AwardedPts<T>>::insert(round_for_payout, &prime_candidate, 20);

}: {
for BondWithAutoCompound {
owner,
amount,
auto_compound,
} in &delegations
{
<Pallet<T>>::mint_and_compound(
100u32.into(),
auto_compound.clone(),
prime_candidate.clone(),
owner.clone(),
);
}
}
verify {
for BondWithAutoCompound {
owner,
amount,
auto_compound,
} in &delegations
{
assert!(
T::Currency::free_balance(&owner) > initial_delegator_balance,
"delegator should have been paid in pay_one_collator_reward"
);
}
}

pay_one_collator_reward {
// y controls number of delegations, its maximum per collator is the max top delegations
let y in 0..<<T as Config>::MaxTopDelegationsPerCandidate as Get<u32>>::get();
Expand All @@ -1643,7 +1753,7 @@ benchmarks! {
)?;
total_staked += initial_stake_amount;

// generate funded collator accounts
// generate funded delegator accounts
let mut delegators: Vec<T::AccountId> = Vec::new();
for i in 0..y {
let seed = USER_SEED + i;
Expand Down
19 changes: 15 additions & 4 deletions pallets/parachain-staking/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1764,11 +1764,10 @@ pub mod pallet {

let collator_fee = payout_info.collator_commission;
let collator_issuance = collator_fee * payout_info.round_issuance;

if let Some((collator, state)) =
<AtStake<T>>::iter_prefix(paid_for_round).drain().next()
{
// read and kill AtStake
// read and kill AtStakemint_and_compound
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early_weight = early_weight.saturating_add(T::DbWeight::get().reads_writes(1, 1));

// Take the awarded points for the collator
Expand All @@ -1787,6 +1786,9 @@ pub mod pallet {
let mut amt_due = total_paid;

let num_delegators = state.delegations.len();
let mut num_paid_delegations = 0u32;
let mut num_auto_compounding = 0u32;
let num_scheduled_requests = <DelegationScheduledRequests<T>>::get(&collator).len();
if state.delegations.is_empty() {
// solo collator with no delegators
extra_weight = extra_weight
Expand Down Expand Up @@ -1828,16 +1830,25 @@ pub mod pallet {
let percent = Perbill::from_rational(amount, state.total);
let due = percent * amt_due;
if !due.is_zero() {
extra_weight = extra_weight.saturating_add(Self::mint_and_compound(
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num_auto_compounding += if auto_compound.is_zero() { 0 } else { 1 };
num_paid_delegations += 1u32;
Self::mint_and_compound(
due,
auto_compound.clone(),
collator.clone(),
owner.clone(),
));
);
}
}
}

extra_weight =
extra_weight.saturating_add(T::WeightInfo::pay_one_collator_reward_best(
num_paid_delegations,
num_auto_compounding,
num_scheduled_requests as u32,
));

(
RewardPayment::Paid,
T::WeightInfo::pay_one_collator_reward(num_delegators as u32)
Expand Down
83 changes: 83 additions & 0 deletions pallets/parachain-staking/src/weights.rs
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Expand Up @@ -81,6 +81,7 @@ pub trait WeightInfo {
fn prepare_staking_payouts() -> Weight;
fn get_rewardable_delegators(y: u32, ) -> Weight;
fn select_top_candidates(x: u32, y: u32, ) -> Weight;
fn pay_one_collator_reward_best(x: u32, y: u32, z: u32, ) -> Weight;
fn pay_one_collator_reward(y: u32, ) -> Weight;
fn base_on_initialize() -> Weight;
fn set_auto_compound(x: u32, y: u32, ) -> Weight;
Expand Down Expand Up @@ -691,6 +692,47 @@ impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
.saturating_add(Weight::from_parts(0, 3975).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 639).saturating_mul(y.into()))
}
/// Storage: System Account (r:349 w:349)
/// Proof: System Account (max_values: None, max_size: Some(116), added: 2591, mode: MaxEncodedLen)
/// Storage: ParachainStaking DelegatorState (r:349 w:349)
/// Proof Skipped: ParachainStaking DelegatorState (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking DelegationScheduledRequests (r:1 w:0)
/// Proof Skipped: ParachainStaking DelegationScheduledRequests (max_values: None, max_size: None, mode: Measured)
/// Storage: Balances Locks (r:349 w:349)
/// Proof: Balances Locks (max_values: None, max_size: Some(1287), added: 3762, mode: MaxEncodedLen)
/// Storage: Balances Freezes (r:349 w:0)
/// Proof: Balances Freezes (max_values: None, max_size: Some(37), added: 2512, mode: MaxEncodedLen)
/// Storage: ParachainStaking CandidateInfo (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidateInfo (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking TopDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking TopDelegations (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking CandidatePool (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidatePool (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking Total (r:1 w:1)
/// Proof Skipped: ParachainStaking Total (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking BottomDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking BottomDelegations (max_values: None, max_size: None, mode: Measured)
/// The range of component `x` is `[0, 349]`.
/// The range of component `y` is `[0, 349]`.
/// The range of component `z` is `[0, 349]`.
fn pay_one_collator_reward_best(x: u32, y: u32, z: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `0 + x * (395 ±0) + y * (156 ±0) + z * (41 ±0)`
// Estimated: `124139 + x * (2591 ±130) + y * (2137 ±130) + z * (26 ±6)`
// Minimum execution time: 8_486_000 picoseconds.
Weight::from_parts(8_486_000, 124139)
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(748_558_381, 0).saturating_mul(x.into()))
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(455_475_687, 0).saturating_mul(y.into()))
.saturating_add(T::DbWeight::get().reads((3_u64).saturating_mul(x.into())))
.saturating_add(T::DbWeight::get().reads((2_u64).saturating_mul(y.into())))
.saturating_add(T::DbWeight::get().writes((2_u64).saturating_mul(x.into())))
.saturating_add(T::DbWeight::get().writes((1_u64).saturating_mul(y.into())))
.saturating_add(Weight::from_parts(0, 2591).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 2137).saturating_mul(y.into()))
.saturating_add(Weight::from_parts(0, 26).saturating_mul(z.into()))
}
/// Storage: ParachainStaking DelayedPayouts (r:1 w:0)
/// Proof Skipped: ParachainStaking DelayedPayouts (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking Points (r:1 w:0)
Expand Down Expand Up @@ -1432,6 +1474,47 @@ impl WeightInfo for () {
.saturating_add(Weight::from_parts(0, 3975).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 639).saturating_mul(y.into()))
}
/// Storage: System Account (r:349 w:349)
/// Proof: System Account (max_values: None, max_size: Some(116), added: 2591, mode: MaxEncodedLen)
/// Storage: ParachainStaking DelegatorState (r:349 w:349)
/// Proof Skipped: ParachainStaking DelegatorState (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking DelegationScheduledRequests (r:1 w:0)
/// Proof Skipped: ParachainStaking DelegationScheduledRequests (max_values: None, max_size: None, mode: Measured)
/// Storage: Balances Locks (r:349 w:349)
/// Proof: Balances Locks (max_values: None, max_size: Some(1287), added: 3762, mode: MaxEncodedLen)
/// Storage: Balances Freezes (r:349 w:0)
/// Proof: Balances Freezes (max_values: None, max_size: Some(37), added: 2512, mode: MaxEncodedLen)
/// Storage: ParachainStaking CandidateInfo (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidateInfo (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking TopDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking TopDelegations (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking CandidatePool (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidatePool (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking Total (r:1 w:1)
/// Proof Skipped: ParachainStaking Total (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking BottomDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking BottomDelegations (max_values: None, max_size: None, mode: Measured)
/// The range of component `x` is `[0, 349]`.
/// The range of component `y` is `[0, 349]`.
/// The range of component `z` is `[0, 349]`.
fn pay_one_collator_reward_best(x: u32, y: u32, z: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `0 + x * (395 ±0) + y * (156 ±0) + z * (41 ±0)`
// Estimated: `124139 + x * (2591 ±130) + y * (2137 ±130) + z * (26 ±6)`
// Minimum execution time: 8_486_000 picoseconds.
Weight::from_parts(8_486_000, 124139)
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(748_558_381, 0).saturating_mul(x.into()))
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(455_475_687, 0).saturating_mul(y.into()))
.saturating_add(RocksDbWeight::get().reads((3_u64).saturating_mul(x.into())))
.saturating_add(RocksDbWeight::get().reads((2_u64).saturating_mul(y.into())))
.saturating_add(RocksDbWeight::get().writes((2_u64).saturating_mul(x.into())))
.saturating_add(RocksDbWeight::get().writes((1_u64).saturating_mul(y.into())))
.saturating_add(Weight::from_parts(0, 2591).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 2137).saturating_mul(y.into()))
.saturating_add(Weight::from_parts(0, 26).saturating_mul(z.into()))
}
/// Storage: ParachainStaking DelayedPayouts (r:1 w:0)
/// Proof Skipped: ParachainStaking DelayedPayouts (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking Points (r:1 w:0)
Expand Down
41 changes: 41 additions & 0 deletions runtime/common/src/weights/pallet_parachain_staking.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -673,6 +673,47 @@ impl<T: frame_system::Config> pallet_parachain_staking::WeightInfo for WeightInf
.saturating_add(Weight::from_parts(0, 3975).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 639).saturating_mul(y.into()))
}
/// Storage: System Account (r:349 w:349)
/// Proof: System Account (max_values: None, max_size: Some(116), added: 2591, mode: MaxEncodedLen)
/// Storage: ParachainStaking DelegatorState (r:349 w:349)
/// Proof Skipped: ParachainStaking DelegatorState (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking DelegationScheduledRequests (r:1 w:0)
/// Proof Skipped: ParachainStaking DelegationScheduledRequests (max_values: None, max_size: None, mode: Measured)
/// Storage: Balances Locks (r:349 w:349)
/// Proof: Balances Locks (max_values: None, max_size: Some(1287), added: 3762, mode: MaxEncodedLen)
/// Storage: Balances Freezes (r:349 w:0)
/// Proof: Balances Freezes (max_values: None, max_size: Some(37), added: 2512, mode: MaxEncodedLen)
/// Storage: ParachainStaking CandidateInfo (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidateInfo (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking TopDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking TopDelegations (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking CandidatePool (r:1 w:1)
/// Proof Skipped: ParachainStaking CandidatePool (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking Total (r:1 w:1)
/// Proof Skipped: ParachainStaking Total (max_values: Some(1), max_size: None, mode: Measured)
/// Storage: ParachainStaking BottomDelegations (r:1 w:1)
/// Proof Skipped: ParachainStaking BottomDelegations (max_values: None, max_size: None, mode: Measured)
/// The range of component `x` is `[0, 349]`.
/// The range of component `y` is `[0, 349]`.
/// The range of component `z` is `[0, 349]`.
fn pay_one_collator_reward_best(x: u32, y: u32, z: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `0 + x * (395 ±0) + y * (156 ±0) + z * (41 ±0)`
// Estimated: `124139 + x * (2591 ±130) + y * (2137 ±130) + z * (26 ±6)`
// Minimum execution time: 8_486_000 picoseconds.
Weight::from_parts(8_486_000, 124139)
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(748_558_381, 0).saturating_mul(x.into()))
// Standard Error: 35_093_196
.saturating_add(Weight::from_parts(455_475_687, 0).saturating_mul(y.into()))
.saturating_add(T::DbWeight::get().reads((3_u64).saturating_mul(x.into())))
.saturating_add(T::DbWeight::get().reads((2_u64).saturating_mul(y.into())))
.saturating_add(T::DbWeight::get().writes((2_u64).saturating_mul(x.into())))
.saturating_add(T::DbWeight::get().writes((1_u64).saturating_mul(y.into())))
.saturating_add(Weight::from_parts(0, 2591).saturating_mul(x.into()))
.saturating_add(Weight::from_parts(0, 2137).saturating_mul(y.into()))
.saturating_add(Weight::from_parts(0, 26).saturating_mul(z.into()))
}
/// Storage: ParachainStaking DelayedPayouts (r:1 w:0)
/// Proof Skipped: ParachainStaking DelayedPayouts (max_values: None, max_size: None, mode: Measured)
/// Storage: ParachainStaking Points (r:1 w:0)
Expand Down
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