use std::sync::Arc;
use super::{miner, system, verifier::Verifier, SystemStateOld};
use crate::networks::{ChainConfig, Height, NetworkChain};
use crate::shim::{
address::Address,
clock::ChainEpoch,
machine::{BuiltinActor, BuiltinActorManifest},
sector::{RegisteredPoStProofV3, RegisteredSealProofV3},
state_tree::{StateTree, StateTreeVersion},
};
use crate::state_migration::common::{migrators::nil_migrator, StateMigration};
use crate::utils::db::CborStoreExt as _;
use crate::{make_butterfly_policy, make_calibnet_policy, make_devnet_policy, make_mainnet_policy};
use anyhow::Context;
use cid::Cid;
use fvm_ipld_blockstore::Blockstore;
impl<BS: Blockstore> StateMigration<BS> {
pub fn add_nv21_migrations(
&mut self,
store: &Arc<BS>,
state: &Cid,
new_manifest: &BuiltinActorManifest,
chain_config: &ChainConfig,
) -> anyhow::Result<()> {
let state_tree = StateTree::new_from_root(store.clone(), state)?;
let system_actor = state_tree.get_required_actor(&Address::new_id(0))?;
let system_actor_state = store.get_cbor_required::<SystemStateOld>(&system_actor.state)?;
let current_manifest_data = system_actor_state.builtin_actors;
let current_manifest =
BuiltinActorManifest::load_v1_actor_list(store, ¤t_manifest_data)?;
for (name, code) in current_manifest.builtin_actors() {
let new_code = new_manifest.get(name)?;
self.add_migrator(code, nil_migrator(new_code))
}
let (policy_old, policy_new) = match &chain_config.network {
NetworkChain::Mainnet => (make_mainnet_policy!(v11), make_mainnet_policy!(v12)),
NetworkChain::Calibnet => (make_calibnet_policy!(v11), make_calibnet_policy!(v12)),
NetworkChain::Butterflynet => {
(make_butterfly_policy!(v11), make_butterfly_policy!(v12))
}
NetworkChain::Devnet(_) => (make_devnet_policy!(v11), make_devnet_policy!(v12)),
};
let miner_old_code = current_manifest.get(BuiltinActor::Miner)?;
let miner_new_code = new_manifest.get(BuiltinActor::Miner)?;
self.add_migrator(
miner_old_code,
miner::miner_migrator(&policy_old, &policy_new, store, miner_new_code)?,
);
self.add_migrator(
current_manifest.get_system(),
system::system_migrator(new_manifest),
);
Ok(())
}
}
pub fn run_migration<DB>(
chain_config: &ChainConfig,
blockstore: &Arc<DB>,
state: &Cid,
epoch: ChainEpoch,
) -> anyhow::Result<Cid>
where
DB: Blockstore + Send + Sync,
{
let new_manifest_cid = chain_config
.height_infos
.get(&Height::Watermelon)
.context("no height info for network version NV21")?
.bundle
.as_ref()
.context("no bundle for network version NV21")?;
blockstore.get(new_manifest_cid)?.with_context(|| {
format!("manifest for network version NV21 not found in blockstore: {new_manifest_cid}")
})?;
let verifier = Arc::new(Verifier::default());
let new_manifest = BuiltinActorManifest::load_manifest(blockstore, new_manifest_cid)?;
let mut migration = StateMigration::<DB>::new(Some(verifier));
migration.add_nv21_migrations(blockstore, state, &new_manifest, chain_config)?;
let actors_in = StateTree::new_from_root(blockstore.clone(), state)?;
let actors_out = StateTree::new(blockstore.clone(), StateTreeVersion::V5)?;
let new_state = migration.migrate_state_tree(blockstore, epoch, actors_in, actors_out)?;
Ok(new_state)
}