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Fix: Migration locks to fungible freeze
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| use super::*; | ||
| use frame_support::{ | ||
| pallet_prelude::GetStorageVersion, | ||
| traits::{Get, OnRuntimeUpgrade}, | ||
| weights::Weight, | ||
| }; | ||
| use log::{info, warn}; | ||
|
|
||
| pub mod v1 { | ||
|
|
||
| use super::*; | ||
|
|
||
| /// This will check all the info on the ledger and remove the old lock while reapplying the new lock based on the | ||
| /// value of the ledger, so the wrogly locked tokens will be unlocked. | ||
| pub fn migrate_locks_to_freeze<T: Config>() -> Weight { | ||
| let mut weight = Weight::zero(); | ||
| let mut count: u32 = 0; | ||
|
|
||
| Ledger::<T>::iter().for_each(|(account, ledger)| { | ||
| if ledger.locked > Zero::zero() { | ||
| <T as pallet::Config>::OldCurrency::remove_lock(LOCK_ID, &account); | ||
|
|
||
| let set_freeze_result = | ||
| <T as pallet::Config>::Currency::set_freeze(&LOCK_ID, &account, ledger.locked); | ||
|
|
||
| if set_freeze_result.is_err() { | ||
| warn!("set_freeze_result {:?}", set_freeze_result); | ||
| } | ||
|
|
||
| weight.saturating_accrue(T::DbWeight::get().reads_writes(3, 2)); | ||
| count += 1; | ||
| } | ||
| }); | ||
|
|
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| info!("Migrated {} locks", count); | ||
| weight | ||
| } | ||
|
|
||
| /// This will just remove all the holds on the enabling staking on a dao to apply the new one. | ||
| pub fn migrate_holds<T: Config>() -> Weight { | ||
| let mut count: u32 = 0; | ||
| let mut weight = Weight::zero(); | ||
|
|
||
| RegisteredCore::<T>::iter().for_each(|(_dao_id, dao_info)| { | ||
| let dao_account = dao_info.account; | ||
| let dao_reserved = <T as Config>::OldCurrency::reserved_balance(&dao_account); | ||
|
|
||
| <T as Config>::OldCurrency::unreserve(&dao_account, dao_reserved); | ||
|
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| let set_on_hold_result = <T as Config>::Currency::set_on_hold( | ||
| &HoldReason::DaoStaking.into(), | ||
| &dao_account, | ||
| dao_reserved, | ||
| ); | ||
|
|
||
| if set_on_hold_result.is_err() { | ||
| warn!("set_on_hold_result {:?}", set_on_hold_result); | ||
| } | ||
|
|
||
| count += 1; | ||
| weight.saturating_accrue(T::DbWeight::get().reads_writes(3, 2)); | ||
| }); | ||
|
|
||
| info!("Migrated {} daos", count); | ||
| weight | ||
| } | ||
|
|
||
| pub struct MigrateToV1<T>(sp_std::marker::PhantomData<T>); | ||
| impl<T: Config> OnRuntimeUpgrade for MigrateToV1<T> { | ||
| #[cfg(feature = "try-runtime")] | ||
| fn pre_upgrade() -> Result<sp_runtime::Vec<u8>, sp_runtime::DispatchError> { | ||
| frame_support::ensure!( | ||
| Pallet::<T>::on_chain_storage_version() <= Pallet::<T>::in_code_storage_version(), | ||
| "Required v0 before upgrading to v1" | ||
| ); | ||
|
|
||
| Ok(Default::default()) | ||
| } | ||
|
|
||
| fn on_runtime_upgrade() -> Weight { | ||
| let mut weight = Weight::zero(); | ||
| let current = Pallet::<T>::in_code_storage_version(); | ||
|
|
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| let chain_version = Pallet::<T>::on_chain_storage_version(); | ||
|
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| weight.saturating_accrue(T::DbWeight::get().reads_writes(1, 0)); | ||
|
|
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| if current > chain_version { | ||
| weight.saturating_accrue(migrate_locks_to_freeze::<T>()); | ||
|
|
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| weight.saturating_accrue(migrate_holds::<T>()); | ||
|
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| current.put::<Pallet<T>>(); | ||
|
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| info!("v1 applied successfully"); | ||
| T::DbWeight::get().reads_writes(0, 1) | ||
| } else { | ||
| warn!("Skipping v1, should be removed"); | ||
| T::DbWeight::get().reads(1) | ||
| } | ||
| } | ||
|
|
||
| #[cfg(feature = "try-runtime")] | ||
| fn post_upgrade(_state: sp_std::vec::Vec<u8>) -> Result<(), sp_runtime::DispatchError> { | ||
| frame_support::ensure!( | ||
| Pallet::<T>::on_chain_storage_version() == 1, | ||
| "v1 not applied" | ||
| ); | ||
|
|
||
| Ok(()) | ||
| } | ||
| } | ||
| } |
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