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Identity pallet improvements (#2048)

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This PR is a follow up to #1661 

- [x] rename the `simple` module to `legacy`
- [x] fix benchmarks to disregard the number of additional fields
- [x] change the storage deposits to charge per encoded byte of the
identity information instance, removing the need for `fn
additional(&self) -> usize` in `IdentityInformationProvider`
- [x] ~add an extrinsic to rejig deposits to account for the change
above~
- [ ] ~ensure through proper configuration that the new byte-based
deposit is always lower than whatever is reserved now~
- [x] remove `IdentityFields` from the `set_fields` extrinsic signature,
as per [this
discussion](https://github.com/paritytech/polkadot-sdk/pull/1661#discussion_r1371703403)

> ensure through proper configuration that the new byte-based deposit is
always lower than whatever is reserved now

Not sure this is needed anymore. If the new deposits are higher than
what is currently on chain and users don't have enough funds to reserve
what is needed, the extrinisc fails and they're basically grandfathered
and frozen until they add more funds and/or make a change to their
identity. This behavior seems fine to me. Original idea
[here](https://github.com/paritytech/polkadot-sdk/pull/1661#issuecomment-1779606319).

> add an extrinsic to rejig deposits to account for the change above

This was initially implemented but now removed from this PR in favor of
the implementation detailed
[here](https://github.com/paritytech/polkadot-sdk/pull/2088).

---------

Signed-off-by: georgepisaltu <george.pisaltu@parity.io>
Co-authored-by: joepetrowski <joe@parity.io>
This commit is contained in:
georgepisaltu
2023-11-03 21:38:26 +02:00
committed by GitHub
parent ca5f10567a
commit 21fbc00d04
15 changed files with 353 additions and 459 deletions
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polkadot/runtime/westend/src/lib.rs
+3 -4
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@@ -40,7 +40,7 @@ use frame_support::{
};
use frame_system::EnsureRoot;
use pallet_grandpa::{fg_primitives, AuthorityId as GrandpaId};
use pallet_identity::simple::IdentityInfo;
use pallet_identity::legacy::IdentityInfo;
use pallet_im_online::sr25519::AuthorityId as ImOnlineId;
use pallet_session::historical as session_historical;
use pallet_transaction_payment::{CurrencyAdapter, FeeDetails, RuntimeDispatchInfo};
@@ -863,7 +863,7 @@ where
parameter_types! {
// Minimum 100 bytes/KSM deposited (1 CENT/byte)
pub const BasicDeposit: Balance = 1000 * CENTS; // 258 bytes on-chain
pub const FieldDeposit: Balance = 250 * CENTS; // 66 bytes on-chain
pub const ByteDeposit: Balance = deposit(0, 1);
pub const SubAccountDeposit: Balance = 200 * CENTS; // 53 bytes on-chain
pub const MaxSubAccounts: u32 = 100;
pub const MaxAdditionalFields: u32 = 100;
@@ -875,10 +875,9 @@ impl pallet_identity::Config for Runtime {
type Currency = Balances;
type Slashed = ();
type BasicDeposit = BasicDeposit;
type FieldDeposit = FieldDeposit;
type ByteDeposit = ByteDeposit;
type SubAccountDeposit = SubAccountDeposit;
type MaxSubAccounts = MaxSubAccounts;
type MaxAdditionalFields = MaxAdditionalFields;
type IdentityInformation = IdentityInfo<MaxAdditionalFields>;
type MaxRegistrars = MaxRegistrars;
type ForceOrigin = EitherOf<EnsureRoot<Self::AccountId>, GeneralAdmin>;