package ethashcfg

import (
	"github.com/ledgerwatch/log/v3"
)

// Config are the configuration parameters of the ethash.
type Config struct {
	CachesInMem      int
	CachesLockMmap   bool
	DatasetDir       string
	DatasetsInMem    int
	DatasetsOnDisk   int
	DatasetsLockMmap bool
	PowMode          Mode

	// When set, notifications sent by the remote sealer will
	// be block header JSON objects instead of work package arrays.
	NotifyFull bool

	Log log.Logger `toml:"-"`
}

// Mode defines the type and amount of PoW verification an ethash engine makes.
type Mode uint

const (
	ModeNormal Mode = iota
	ModeShared
	ModeTest

	ModeFake
	ModeFullFake
)