package builtin

import (
	"fmt"

	"github.com/filecoin-project/go-state-types/network"

	v0smoothing "github.com/filecoin-project/specs-actors/actors/util/smoothing"
)

type Version int

const (
	Version0 = iota
)

// Converts a network version into a specs-actors version.
func VersionForNetwork(version network.Version) Version {
	switch version {
	case network.Version0, network.Version1, network.Version2:
		return Version0
	default:
		panic(fmt.Sprintf("unsupported network version %d", version))
	}
}

// TODO: find some way to abstract over this.
type FilterEstimate = v0smoothing.FilterEstimate