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// Copyright 2019-2022 ChainSafe Systems
// SPDX-License-Identifier: Apache-2.0, MIT

use cid::Cid;
use fvm_ipld_encoding::tuple::*;
use fvm_shared::METHOD_CONSTRUCTOR;
use num_derive::FromPrimitive;

/// System actor methods.
#[derive(FromPrimitive)]
#[repr(u64)]
pub enum Method {
    Constructor = METHOD_CONSTRUCTOR,
}

/// System actor state.
#[derive(Default, Debug, Deserialize_tuple, Serialize_tuple)]
pub struct State {
    // builtin actor registry: Vec<(String, Cid)>
    pub builtin_actors: Cid,
}