ledger

type LedgerManager interface {
	GetLedgerReader(channel string) (LedgerReader, error)
}

type LedgerReader interface {
	GetState(namespace string, key string) ([]byte, error)

	GetStateRangeScanIterator(namespace string, startKey string, endKey string) (ledger.ResultsIterator, error)

	Done()
}

type LedgerWriter interface {
	LedgerReader

	SetState(namespace string, key string, value []byte) error

	DeleteState(namespace string, key string) error
}

type ResultsIterator interface {
	Next() (ledger.QueryResult, error)

	Close()
}