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| Original file line number | Diff line number | Diff line change |
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| // Copyright (C) Moondance Labs Ltd. | ||
| // This file is part of Tanssi. | ||
|
|
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| // Tanssi 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. | ||
|
|
||
| // Tanssi 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. | ||
|
|
||
| // You should have received a copy of the GNU General Public License | ||
| // along with Tanssi. If not, see <http://www.gnu.org/licenses/> | ||
|
|
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| //! # Migrations | ||
| //! | ||
| //! This module acts as a registry where each migration is defined. Each migration should implement | ||
| //! the "Migration" trait declared in the pallet-migrations crate. | ||
|
|
||
| use { | ||
| crate::{ParaId, Runtime, ServicesPayment}, | ||
| frame_support::{ | ||
| pallet_prelude::ValueQuery, storage::types::StorageMap, weights::Weight, Blake2_128Concat, | ||
| }, | ||
| pallet_migrations::{GetMigrations, Migration}, | ||
| sp_core::Get, | ||
| sp_runtime::BoundedVec, | ||
| sp_std::{collections::btree_set::BTreeSet, marker::PhantomData, prelude::*}, | ||
| }; | ||
|
|
||
| pub struct MigrateServicesPaymentAddCredits<T>(pub PhantomData<T>); | ||
| impl<T> Migration for MigrateServicesPaymentAddCredits<T> | ||
| where | ||
| T: pallet_configuration::Config, | ||
| { | ||
| fn friendly_name(&self) -> &str { | ||
| "TM_MigrateServicesPaymentAddCredits" | ||
| } | ||
|
|
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| fn migrate(&self, _available_weight: Weight) -> Weight { | ||
| // For each parachain in pallet_registrar (active, pending or pending_verification), | ||
| // insert `MaxCreditsStored` to pallet_services_payment, | ||
| // and mark that parachain as "given_free_credits". | ||
| let mut para_ids = BTreeSet::new(); | ||
| let active = pallet_registrar::RegisteredParaIds::<Runtime>::get(); | ||
| let pending = pallet_registrar::PendingParaIds::<Runtime>::get(); | ||
| let pending_verification = pallet_registrar::PendingVerification::<Runtime>::get(); | ||
| // This migration ignores Paused and PendingPaused because they do not exist yet in flashbox | ||
|
|
||
| para_ids.extend(active); | ||
| para_ids.extend(pending.into_iter().flat_map(|(_session, active)| active)); | ||
| para_ids.extend(pending_verification); | ||
|
|
||
| let reads = 3 + 2 * para_ids.len() as u64; | ||
| let writes = 2 * para_ids.len() as u64; | ||
|
|
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| for para_id in para_ids { | ||
| // 2 reads 2 writes | ||
| ServicesPayment::give_free_credits(¶_id); | ||
| } | ||
|
|
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| let db_weights = T::DbWeight::get(); | ||
| db_weights.reads_writes(reads, writes) | ||
| } | ||
| } | ||
|
|
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| pub struct RegistrarBootNodesStorageValuePrefix<T>(PhantomData<T>); | ||
| impl<T> frame_support::traits::StorageInstance for RegistrarBootNodesStorageValuePrefix<T> { | ||
| const STORAGE_PREFIX: &'static str = "BootNodes"; | ||
| fn pallet_prefix() -> &'static str { | ||
| "Registrar" | ||
| } | ||
| } | ||
| pub type RegistrarBootNodesStorageMap<T> = StorageMap< | ||
| RegistrarBootNodesStorageValuePrefix<T>, | ||
| Blake2_128Concat, | ||
| ParaId, | ||
| //BoundedVec<BoundedVec<u8, T::MaxBootNodeUrlLen>, T::MaxBootNodes>, | ||
| Vec<Vec<u8>>, | ||
| ValueQuery, | ||
| >; | ||
|
|
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| pub struct MigrateBootNodes<T>(pub PhantomData<T>); | ||
| impl<T> Migration for MigrateBootNodes<T> | ||
| where | ||
| T: pallet_configuration::Config, | ||
| { | ||
| fn friendly_name(&self) -> &str { | ||
| "TM_MigrateBootNodes" | ||
| } | ||
|
|
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| fn migrate(&self, _available_weight: Weight) -> Weight { | ||
| let mut len = 0; | ||
| for (para_id, bootnodes) in RegistrarBootNodesStorageMap::<Runtime>::drain() { | ||
| len += 1; | ||
| // Convert Vec<Vec<u8>> into BoundedVec<BoundedVec<u8>> | ||
| // Cannot fail because the old storage was actually a BoundedVec with the same limit as the new one | ||
| let bootnodes: Vec<_> = bootnodes | ||
| .into_iter() | ||
| .map(|bootnode| bootnode.try_into().unwrap()) | ||
| .collect(); | ||
| let bootnodes: BoundedVec<_, _> = bootnodes.try_into().unwrap(); | ||
| pallet_data_preservers::BootNodes::<Runtime>::insert(para_id, bootnodes); | ||
| } | ||
|
|
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| let db_weights = T::DbWeight::get(); | ||
| let reads = len; | ||
| let writes = len; | ||
| db_weights.reads_writes(reads, writes) | ||
| } | ||
| } | ||
|
|
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| pub struct FlashboxMigrations<Runtime>(PhantomData<Runtime>); | ||
|
|
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| impl<Runtime> GetMigrations for FlashboxMigrations<Runtime> | ||
| where | ||
| Runtime: pallet_balances::Config, | ||
| Runtime: pallet_configuration::Config, | ||
| { | ||
| fn get_migrations() -> Vec<Box<dyn Migration>> { | ||
| let migrate_services_payment = | ||
| MigrateServicesPaymentAddCredits::<Runtime>(Default::default()); | ||
| let migrate_boot_nodes = MigrateBootNodes::<Runtime>(Default::default()); | ||
|
|
||
| vec![ | ||
| Box::new(migrate_services_payment), | ||
| Box::new(migrate_boot_nodes), | ||
| ] | ||
| } | ||
| } |
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