forest/state_migration/nv23/
mining_reserve.rs

1// Copyright 2019-2025 ChainSafe Systems
2// SPDX-License-Identifier: Apache-2.0, MIT
3
4//! This module contains the logic for converting the mining reserve actor to a key-less account
5//! actor. See the [FIP-0085](https://fips.filecoin.io/FIPS/fip-0085.html) for more details.
6
7use crate::shim::address::Address;
8use crate::shim::state_tree::ActorState;
9use crate::state_migration::common::PostMigrator;
10use crate::utils::db::CborStoreExt as _;
11use cid::Cid;
12use fvm_ipld_blockstore::Blockstore;
13
14pub struct MiningReservePostMigrator {
15    pub new_account_code_cid: Cid,
16    pub new_multisig_code_cid: Cid,
17}
18
19impl<BS: Blockstore> PostMigrator<BS> for MiningReservePostMigrator {
20    fn post_migrate_state(
21        &self,
22        store: &BS,
23        actors_out: &mut crate::shim::state_tree::StateTree<BS>,
24    ) -> anyhow::Result<()> {
25        let f090_old_actor = actors_out.get_required_actor(&Address::RESERVE_ACTOR)?;
26        // only migrate f090 if it is a `multisig`
27        if f090_old_actor.code != self.new_multisig_code_cid {
28            return Ok(());
29        }
30        let f090_new_state = fil_actor_account_state::v14::State {
31            address: Address::RESERVE_ACTOR.into(),
32        };
33        let f090_new_state = store.put_cbor_default(&f090_new_state)?;
34
35        actors_out.set_actor(
36            &Address::RESERVE_ACTOR,
37            ActorState::new(
38                self.new_account_code_cid,
39                f090_new_state,
40                f090_old_actor.balance.clone().into(),
41                f090_old_actor.sequence,
42                None,
43            ),
44        )?;
45
46        Ok(())
47    }
48}
forest/state_migration/nv23/mining_reserve.rs

forest/state_migration/nv23/
mining_reserve.rs
