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// Copyright (C) Moondance Labs Ltd.
// This file is part of Tanssi.
// 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/>
//! # 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 {
frame_support::{
pallet_prelude::GetStorageVersion,
traits::{OnRuntimeUpgrade, PalletInfoAccess},
weights::Weight,
},
pallet_migrations::{GetMigrations, Migration},
sp_core::{Get, H160},
sp_std::{marker::PhantomData, prelude::*},
tanssi_runtime_common::migrations::{
PolkadotXcmMigrationFixVersion, XcmpQueueMigrationFixVersion, XcmpQueueMigrationV3,
XcmpQueueMigrationV4,
};
pub struct MigratePrecompileXcmDummyCode<T>(pub PhantomData<T>);
impl<T> Migration for MigratePrecompileXcmDummyCode<T>
where
T: pallet_evm::Config,
T: frame_system::Config,
{
fn friendly_name(&self) -> &str {
"TM_MigratePrecompileXcmCode"
}
fn migrate(&self, _available_weight: Weight) -> Weight {
log::info!("Performing migration: TM_MigratePrecompileXcmCode");
let revert_bytecode = vec![0x60, 0x00, 0x60, 0x00, 0xFD];
let db_weights = T::DbWeight::get();
// Pallet-xcm precompile address
let address = H160::from_low_u64_be(2052);
let _ = pallet_evm::Pallet::<T>::create_account(address, revert_bytecode.clone(), None);
// reads: <Suicided<T>> and <AccountCodes<T>>
// writes: <AccountCodesMetadata<T>> and <AccountCodes<T>>
db_weights.reads_writes(2, 2)
/// Run a standard pre-runtime test. This works the same way as in a normal runtime upgrade.
#[cfg(feature = "try-runtime")]
fn pre_upgrade(&self) -> Result<Vec<u8>, sp_runtime::DispatchError> {
log::info!("Performing TM_MigratePrecompileXcmCode - pre_upgrade");
assert!(pallet_evm::AccountCodes::<T>::get(address).is_empty());
Ok(vec![])
/// Run a standard post-runtime test. This works the same way as in a normal runtime upgrade.
fn post_upgrade(&self, _: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
log::info!("Performing TM_MigratePrecompileXcmCode - post_upgrade");
assert_eq!(pallet_evm::AccountCodes::<T>::get(address), revert_bytecode);
Ok(())
pub struct MigratePrecompileProxyDummyCode<T>(pub PhantomData<T>);
impl<T> Migration for MigratePrecompileProxyDummyCode<T>
"TM_MigratePrecompileProxyCode"
log::info!("Performing migration: TM_MigratePrecompileProxyCode");
let address = H160::from_low_u64_be(2053);
log::info!("Performing TM_MigratePrecompileProxyCode - pre_upgrade");
log::info!("Performing TM_MigratePrecompileProxyCode - post_upgrade");
pub struct TemplateMigrations<Runtime, XcmpQueue, PolkadotXcm>(
PhantomData<(Runtime, XcmpQueue, PolkadotXcm)>,
);
pub struct MigrateToLatestXcmVersion<Runtime>(PhantomData<Runtime>);
impl<Runtime> Migration for MigrateToLatestXcmVersion<Runtime>
pallet_xcm::migration::MigrateToLatestXcmVersion<Runtime>:
frame_support::traits::OnRuntimeUpgrade,
"MM_MigrateToLatestXcmVersion"
pallet_xcm::migration::MigrateToLatestXcmVersion::<Runtime>::on_runtime_upgrade()
pallet_xcm::migration::MigrateToLatestXcmVersion::<Runtime>::pre_upgrade()
fn post_upgrade(&self, state: Vec<u8>) -> Result<(), sp_runtime::DispatchError> {
pallet_xcm::migration::MigrateToLatestXcmVersion::<Runtime>::post_upgrade(state)
impl<Runtime, XcmpQueue, PolkadotXcm> GetMigrations
for TemplateMigrations<Runtime, XcmpQueue, PolkadotXcm>
PolkadotXcm: GetStorageVersion + PalletInfoAccess + 'static,
XcmpQueue: GetStorageVersion + PalletInfoAccess + 'static,
Runtime: pallet_evm::Config,
Runtime: frame_system::Config,
Runtime: cumulus_pallet_xcmp_queue::Config,
Runtime: pallet_xcm_executor_utils::Config,
Runtime: pallet_xcm::Config,
fn get_migrations() -> Vec<Box<dyn Migration>> {
// let migrate_precompiles = MigratePrecompileDummyCode::<Runtime>(Default::default());
let migrate_polkadot_xcm_v1 =
PolkadotXcmMigrationFixVersion::<Runtime, PolkadotXcm>(Default::default());
let migrate_xcmp_queue_v2 =
XcmpQueueMigrationFixVersion::<Runtime, XcmpQueue>(Default::default());
let migrate_xcmp_queue_v3 = XcmpQueueMigrationV3::<Runtime>(Default::default());
let migrate_xcmp_queue_v4 = XcmpQueueMigrationV4::<Runtime>(Default::default());
let migrate_xcm_executor_utils_v4 =
pallet_xcm_executor_utils::migrations::MigrateToV1::<Runtime>(Default::default());
let migrate_pallet_xcm_v4 = MigrateToLatestXcmVersion::<Runtime>(Default::default());
let migrate_precompile_proxy_code =
MigratePrecompileProxyDummyCode::<Runtime>(Default::default());
let migrate_precompile_xcm_code =
MigratePrecompileXcmDummyCode::<Runtime>(Default::default());
vec![
// Applied in runtime 400
// Box::new(migrate_precompiles),
Box::new(migrate_polkadot_xcm_v1),
Box::new(migrate_xcmp_queue_v2),
Box::new(migrate_xcmp_queue_v3),
Box::new(migrate_xcmp_queue_v4),
Box::new(migrate_xcm_executor_utils_v4),
Box::new(migrate_pallet_xcm_v4),
Box::new(migrate_precompile_proxy_code),
Box::new(migrate_precompile_xcm_code),
]