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Asset Conversion: Pool Account ID derivation with additional Pallet ID seed (#3250)

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Introduce `PalletId` as an additional seed parameter for pool's account
id derivation.

The PR also introduces the `pallet_asset_conversion_ops` pallet with a
call to migrate a given pool to thew new account. Additionally
`fungibles::lifetime::ResetTeam` and `fungible::lifetime::Refund`
traits, to facilitate the migration of pools.

---------

Co-authored-by: command-bot <>
This commit is contained in:
Muharem
2024-04-17 12:39:23 +02:00
committed by GitHub
parent e6f3106d89
commit 4e10d3b0a6
31 changed files with 1647 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/assets/src/functions.rs
+32 -3
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@@ -368,11 +368,14 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
Ok(())
}
/// Returns a `DepositFrom` of an account only if balance is zero.
/// Refunds the `DepositFrom` of an account only if its balance is zero.
///
/// If the `maybe_check_caller` parameter is specified, it must match the account that provided
/// the deposit or must be the admin of the asset.
pub(super) fn do_refund_other(
id: T::AssetId,
who: &T::AccountId,
caller: &T::AccountId,
maybe_check_caller: Option<T::AccountId>,
) -> DispatchResult {
let mut account = Account::<T, I>::get(&id, &who).ok_or(Error::<T, I>::NoDeposit)?;
let (depositor, deposit) =
@@ -380,7 +383,9 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
let mut details = Asset::<T, I>::get(&id).ok_or(Error::<T, I>::Unknown)?;
ensure!(details.status == AssetStatus::Live, Error::<T, I>::AssetNotLive);
ensure!(!account.status.is_frozen(), Error::<T, I>::Frozen);
ensure!(caller == &depositor || caller == &details.admin, Error::<T, I>::NoPermission);
if let Some(caller) = maybe_check_caller {
ensure!(caller == depositor || caller == details.admin, Error::<T, I>::NoPermission);
}
ensure!(account.balance.is_zero(), Error::<T, I>::WouldBurn);
T::Currency::unreserve(&depositor, deposit);
@@ -1013,4 +1018,28 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
})
.collect::<Vec<_>>()
}
/// Reset the team for the asset with the given `id`.
///
/// ### Parameters
/// - `id`: The identifier of the asset for which the team is being reset.
/// - `owner`: The new `owner` account for the asset.
/// - `admin`: The new `admin` account for the asset.
/// - `issuer`: The new `issuer` account for the asset.
/// - `freezer`: The new `freezer` account for the asset.
pub(crate) fn do_reset_team(
id: T::AssetId,
owner: T::AccountId,
admin: T::AccountId,
issuer: T::AccountId,
freezer: T::AccountId,
) -> DispatchResult {
let mut d = Asset::<T, I>::get(&id).ok_or(Error::<T, I>::Unknown)?;
d.owner = owner;
d.admin = admin;
d.issuer = issuer;
d.freezer = freezer;
Asset::<T, I>::insert(&id, d);
Ok(())
}
}