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remove old pallet migrations (#5194)

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* remove old pallet migrations

* remove more stuff
This commit is contained in:
Andronik
2022-04-13 12:01:57 +02:00
committed by GitHub
parent c8423f5175
commit ff18cabbc5
5 changed files with 2 additions and 409 deletions
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polkadot/runtime/parachains/src/session_info/migration.rs
+1 -23
View File
@@ -16,29 +16,7 @@
//! A module that is responsible for migration of storage.
use crate::session_info::{Config, Pallet, Store};
use frame_support::{pallet_prelude::*, traits::StorageVersion, weights::Weight};
use frame_support::traits::StorageVersion;
/// The current storage version.
pub const STORAGE_VERSION: StorageVersion = StorageVersion::new(1);
/// Migrates the pallet storage to the most recent version, checking and setting the `StorageVersion`.
pub fn migrate_to_latest<T: Config>() -> Weight {
let mut weight = 0;
if StorageVersion::get::<Pallet<T>>() < 1 {
weight += migrate_to_v1::<T>();
StorageVersion::new(1).put::<Pallet<T>>();
}
weight
}
pub fn migrate_to_v1<T: Config>() -> Weight {
let mut vs = 0;
<Pallet<T> as Store>::Sessions::translate_values(|old: primitives::v2::OldV1SessionInfo| {
vs += 1;
Some(primitives::v2::SessionInfo::from(old))
});
T::DbWeight::get().reads_writes(vs, vs)
}