challenging

type Blockchain interface {
	ListFiles(opt *blockchain.ListFileOptions) ([]blockchain.File, error)
	ListFileNs(opt *blockchain.ListNsOptions) ([]blockchain.Namespace, error)
	ListChallengeRequests(opt *blockchain.ListChallengeOptions) ([]blockchain.Challenge, error)
	ChallengeRequest(opt *blockchain.ChallengeRequestOptions) error
	ChallengeAnswer(opt *blockchain.ChallengeAnswerOptions) ([]byte, error)
	NodeOffline(opt *blockchain.NodeOperateOptions) error
}

type ChallengeDB interface {
	GenerateChallenge(sliceIdxList []int, interval int64) ([][]byte, [][]byte, int64, []byte, error)

	// merkle Challenge
	Setup(sliceData []byte, rangeAmount int) ([]ctype.RangeHash, error)
	Save(cms []ctype.Material) error
	Take(fileID string, sliceID string, nodeID []byte) (ctype.RangeHash, error)

	GetChallengeConf() (string, types.PairingChallengeConf)
}

type ChallengingMonitor struct {
	PrivateKey ecdsa.PrivateKey

	AnswerInterval  time.Duration
	RequestInterval time.Duration
	// contains filtered or unexported fields
}

type NewChallengingMonitorOptions struct {
	PrivateKey ecdsa.PrivateKey

	Blockchain   Blockchain
	ChallengeDB  ChallengeDB
	SliceStorage SliceStorage
	ProveStorage ProveStorage
}

type ProveStorage interface {
	Load(key string) (io.ReadCloser, error)
}

type SliceStorage interface {
	Load(key string, index string) (io.ReadCloser, error)
}