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Parachain staking ledger migration (#1077)
* parachain-staking-ledger-migration * cargo fmt * put migrations into module * add migrations to bifrost-kusama * migrate from Ledger::Moonbeam to Ledger::ParachainStaking
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| /// Version 2. | ||
| pub mod v2; | ||
| pub mod v3; | ||
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| // This file is part of Bifrost. | ||
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| // Copyright (C) 2019-2022 Liebi Technologies (UK) Ltd. | ||
| // SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0 | ||
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| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
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| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <https://www.gnu.org/licenses/>. | ||
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| use crate::*; | ||
| use frame_support::traits::OnRuntimeUpgrade; | ||
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| const LOG_TARGET: &str = "SLP::migration"; | ||
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| pub struct SlpMigration3<T>(sp_std::marker::PhantomData<T>); | ||
| impl<T: Config> OnRuntimeUpgrade for SlpMigration3<T> { | ||
| fn on_runtime_upgrade() -> frame_support::weights::Weight { | ||
| // Check the storage version | ||
| let onchain_version = Pallet::<T>::on_chain_storage_version(); | ||
| if onchain_version < 3 { | ||
| log::info!(target: LOG_TARGET, "Start to migrate DelegatorLedgers storage..."); | ||
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| let mut write_count = 0; | ||
| //migrate the value type of DelegatorLedgers | ||
| DelegatorLedgers::<T>::translate(|key1, key2, value: Ledger<BalanceOf<T>>| { | ||
| // Only migrate the Ledger::ParachainStaking | ||
| if key1 == MOVR || key1 == GLMR { | ||
| write_count = write_count + 1; | ||
| // change Ledger::Moonbeam to Ledger::ParachainStaking | ||
| if let Ledger::Moonbeam(ledger) = value { | ||
| let new_ledger = Ledger::ParachainStaking(ledger); | ||
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| log::info!( | ||
| target: LOG_TARGET, | ||
| "Migrated to Ledger for {:?} - {:?}... into {:?}", | ||
| key1, | ||
| key2, | ||
| new_ledger.clone() | ||
| ); | ||
| Some(new_ledger) | ||
| } else { | ||
| Some(value) | ||
| } | ||
| } else { | ||
| Some(value) | ||
| } | ||
| }); | ||
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| // Update the storage version | ||
| StorageVersion::new(3).put::<Pallet<T>>(); | ||
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| // Return the consumed weight | ||
| let read_count = DelegatorLedgers::<T>::iter().count(); | ||
| Weight::from(T::DbWeight::get().reads_writes(read_count as u64, write_count as u64)) | ||
| } else { | ||
| // We don't do anything here. | ||
| Weight::zero() | ||
| } | ||
| } | ||
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| #[cfg(feature = "try-runtime")] | ||
| fn pre_upgrade() -> Result<Vec<u8>, &'static str> { | ||
| let delegator_Ledgers_cnt = DelegatorLedgers::<T>::iter().count(); | ||
| // print out the pre-migrate storage count | ||
| log::info!( | ||
| target: LOG_TARGET, | ||
| "DelegatorLedgers pre-migrate storage count: {:?}", | ||
| delegator_Ledgers_cnt | ||
| ); | ||
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| let cnt = (delegator_Ledgers_cnt as u32); | ||
| Ok(cnt.encode()) | ||
| } | ||
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| #[cfg(feature = "try-runtime")] | ||
| fn post_upgrade(cnt: Vec<u8>) -> Result<(), &'static str> { | ||
| let (delegator_Ledgers_old): (u32) = Decode::decode(&mut cnt.as_slice()) | ||
| .expect("the state parameter should be something that was generated by pre_upgrade"); | ||
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| let delegator_Ledgers_new = DelegatorLedgers::<T>::iter().count(); | ||
| // print out the post-migrate storage count | ||
| log::info!( | ||
| target: LOG_TARGET, | ||
| "DelegatorLedgers post-migrate storage count: {:?}", | ||
| delegator_Ledgers_new | ||
| ); | ||
| ensure!( | ||
| delegator_Ledgers_new as u32 == delegator_Ledgers_old, | ||
| "DelegatorLedgers post-migrate storage count not match" | ||
| ); | ||
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| Ok(()) | ||
| } | ||
| } |
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