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FRAME: Revamp Preimage pallet to use Consideration (#1363)

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Make Preimage pallet use Consideration instead of handling deposits
directly.

Other half of paritytech/substrate#13666.
Depends/based on #1361.

Script for the lazy migration that should be run manually once:
[migrate-preimage-lazy.py](https://github.com/ggwpez/substrate-scripts/blob/master/migrate-preimage-lazy.py).

## TODO

- [x] Migration code.

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: command-bot <>
Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
This commit is contained in:
Gavin Wood
2023-09-17 12:19:18 +01:00
committed by GitHub
parent 11d1a3955e
commit d787269cdf
25 changed files with 789 additions and 348 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/runtime/westend/src/lib.rs
+11 -7
View File
@@ -29,8 +29,8 @@ use frame_election_provider_support::{bounds::ElectionBoundsBuilder, onchain, Se
use frame_support::{
construct_runtime, parameter_types,
traits::{
ConstU32, InstanceFilter, KeyOwnerProofSystem, ProcessMessage, ProcessMessageError,
WithdrawReasons,
fungible::HoldConsideration, ConstU32, InstanceFilter, KeyOwnerProofSystem,
LinearStoragePrice, ProcessMessage, ProcessMessageError, WithdrawReasons,
},
weights::{ConstantMultiplier, WeightMeter},
PalletId,
@@ -193,9 +193,9 @@ impl pallet_scheduler::Config for Runtime {
}
parameter_types! {
pub const PreimageMaxSize: u32 = 4096 * 1024;
pub const PreimageBaseDeposit: Balance = deposit(2, 64);
pub const PreimageByteDeposit: Balance = deposit(0, 1);
pub const PreimageHoldReason: RuntimeHoldReason = RuntimeHoldReason::Preimage(pallet_preimage::HoldReason::Preimage);
}
impl pallet_preimage::Config for Runtime {
@@ -203,8 +203,12 @@ impl pallet_preimage::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type ManagerOrigin = EnsureRoot<AccountId>;
type BaseDeposit = PreimageBaseDeposit;
type ByteDeposit = PreimageByteDeposit;
type Consideration = HoldConsideration<
AccountId,
Balances,
PreimageHoldReason,
LinearStoragePrice<PreimageBaseDeposit, PreimageByteDeposit, Balance>,
>;
}
parameter_types! {
@@ -268,7 +272,7 @@ impl pallet_balances::Config for Runtime {
type WeightInfo = weights::pallet_balances::WeightInfo<Runtime>;
type RuntimeHoldReason = RuntimeHoldReason;
type FreezeIdentifier = ();
type MaxHolds = ConstU32<0>;
type MaxHolds = ConstU32<1>;
type MaxFreezes = ConstU32<0>;
}
@@ -1311,7 +1315,7 @@ construct_runtime! {
Scheduler: pallet_scheduler::{Pallet, Call, Storage, Event<T>} = 20,
// Preimage registrar.
Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>} = 28,
Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>, HoldReason} = 28,
// Sudo.
Sudo: pallet_sudo::{Pallet, Call, Storage, Event<T>, Config<T>} = 21,
polkadot/runtime/westend/src/weights/pallet_preimage.rs
+15
View File
@@ -50,6 +50,21 @@ use core::marker::PhantomData;
/// Weight functions for `pallet_preimage`.
pub struct WeightInfo<T>(PhantomData<T>);
impl<T: frame_system::Config> pallet_preimage::WeightInfo for WeightInfo<T> {
fn ensure_updated(n: u32, ) -> Weight {
// Proof Size summary in bytes:
// Measured: `193 + n * (91 ±0)`
// Estimated: `3593 + n * (2566 ±0)`
// Minimum execution time: 2_000_000 picoseconds.
Weight::from_parts(2_000_000, 3593)
// Standard Error: 13_720
.saturating_add(Weight::from_parts(17_309_199, 0).saturating_mul(n.into()))
.saturating_add(T::DbWeight::get().reads(1_u64))
.saturating_add(T::DbWeight::get().reads((1_u64).saturating_mul(n.into())))
.saturating_add(T::DbWeight::get().writes(1_u64))
.saturating_add(T::DbWeight::get().writes((2_u64).saturating_mul(n.into())))
.saturating_add(Weight::from_parts(0, 2566).saturating_mul(n.into()))
}
/// Storage: Preimage StatusFor (r:1 w:1)
/// Proof: Preimage StatusFor (max_values: None, max_size: Some(91), added: 2566, mode: MaxEncodedLen)
/// Storage: Preimage PreimageFor (r:0 w:1)