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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
cumulus/parachains/runtimes/collectives/collectives-polkadot/src/lib.rs
+13 -5
View File
@@ -67,7 +67,10 @@ use frame_support::{
construct_runtime,
dispatch::DispatchClass,
parameter_types,
traits::{ConstBool, ConstU16, ConstU32, ConstU64, ConstU8, EitherOfDiverse, InstanceFilter},
traits::{
fungible::HoldConsideration, ConstBool, ConstU16, ConstU32, ConstU64, ConstU8,
EitherOfDiverse, InstanceFilter, LinearStoragePrice,
},
weights::{ConstantMultiplier, Weight},
PalletId,
};
@@ -209,7 +212,7 @@ impl pallet_balances::Config for Runtime {
type ReserveIdentifier = [u8; 8];
type RuntimeHoldReason = RuntimeHoldReason;
type FreezeIdentifier = ();
type MaxHolds = ConstU32<0>;
type MaxHolds = ConstU32<1>;
type MaxFreezes = ConstU32<0>;
}
@@ -545,6 +548,7 @@ impl pallet_scheduler::Config for Runtime {
parameter_types! {
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 {
@@ -552,8 +556,12 @@ 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>,
>;
}
// Create the runtime by composing the FRAME pallets that were previously configured.
@@ -589,7 +597,7 @@ construct_runtime!(
Utility: pallet_utility::{Pallet, Call, Event} = 40,
Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 41,
Proxy: pallet_proxy::{Pallet, Call, Storage, Event<T>} = 42,
Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>} = 43,
Preimage: pallet_preimage::{Pallet, Call, Storage, Event<T>, HoldReason} = 43,
Scheduler: pallet_scheduler::{Pallet, Call, Storage, Event<T>} = 44,
// The main stage.
cumulus/parachains/runtimes/collectives/collectives-polkadot/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)