storage

var (
	BlockBucketName = []byte("blocks")
	TxBucketName    = []byte("txs")

	// state buckets
	Num2AccBucketName  = []byte("num:acc")
	Addr2BalBucketName = []byte("addr:bal")
	Addr2NumBucketName = []byte("addr:num")
)

var (
	LatestHeightTag = []byte("latest:height")
	LatestHashTag   = []byte("latest:hash")
	OriginHeightTag = []byte("origin:height") // store the origin block
	OriginHashTag   = []byte("origin:hash")
)

var ErrKeyNotFound = errors.New("key not found")