forest-filecoin 0.33.1

Rust Filecoin implementation.
Documentation 
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// Copyright 2019-2026 ChainSafe Systems
// SPDX-License-Identifier: Apache-2.0, MIT

use crate::shim::actors::power::State;
use crate::shim::clock::ChainEpoch;

pub trait PowerStateExt {
    /// `FIP0081` activation epoch. Should be same as `TukTuk` epoch.
    fn ramp_start_epoch(&self) -> ChainEpoch;
    /// `FIP0081` activation ramp. One year on mainnet, 3 days on calibnet,
    /// defaults to 200 epochs on devnet. Only applicable to `v15` (aka `TukTuk`)
    /// actors.
    fn ramp_duration_epochs(&self) -> u64;
}

impl PowerStateExt for State {
    fn ramp_start_epoch(&self) -> ChainEpoch {
        match self {
            State::V15(st) => st.ramp_start_epoch,
            State::V16(st) => st.ramp_start_epoch,
            State::V17(st) => st.ramp_start_epoch,
            State::V18(st) => st.ramp_start_epoch,
            _ => 0,
        }
    }

    fn ramp_duration_epochs(&self) -> u64 {
        match self {
            State::V15(st) => st.ramp_duration_epochs,
            State::V16(st) => st.ramp_duration_epochs,
            State::V17(st) => st.ramp_duration_epochs,
            State::V18(st) => st.ramp_duration_epochs,
            _ => 0,
        }
    }
}