use cid::{multihash, Cid};
use fil_actors_shared::v14::{ActorError, AsActorError};
use fvm_ipld_blockstore::Blockstore;
use fvm_ipld_encoding::tuple::*;
use fvm_ipld_encoding::CborStore;
use fvm_shared4::error::ExitCode;
use fvm_shared4::METHOD_CONSTRUCTOR;
use num_derive::FromPrimitive;
#[derive(FromPrimitive)]
#[repr(u64)]
pub enum Method {
Constructor = METHOD_CONSTRUCTOR,
}
#[derive(Default, Deserialize_tuple, Serialize_tuple, Debug, Clone)]
pub struct State {
pub builtin_actors: Cid,
}
impl State {
pub fn new<BS: Blockstore>(store: &BS) -> Result<Self, ActorError> {
let c = store
.put_cbor(&Vec::<(String, Cid)>::new(), multihash::Code::Blake2b256)
.context_code(ExitCode::USR_ILLEGAL_STATE, "failed to store system state")?;
Ok(Self { builtin_actors: c })
}
pub fn get_builtin_actors<B: Blockstore>(
&self,
store: &B,
) -> Result<Vec<(String, Cid)>, String> {
match store.get_cbor(&self.builtin_actors) {
Ok(Some(obj)) => Ok(obj),
Ok(None) => Err("failed to load builtin actor registry; not found".to_string()),
Err(e) => Err(e.to_string()),
}
}
}