global

var Config = &struct {
	DB                    *bolt.DB
	SeedNodes             []string
	Version               uint32
	Guid                  []byte
	ReceiveAddress        string
	HeartbeatTaskSpec     string
	RequestHeightTaskSpec string

	// ---------------------------------- DHT Config ------------------------------------
	// the bucket expired duration
	BucketExpiredAfter time.Duration
	// the node expired duration
	NodeExpriedAfter time.Duration
	// how long it checks whether the bucket is expired
	CheckBucketPeriod time.Duration
	// the max transaction id
	MaxTransactionCursor uint64
	// how many nodes routing table can hold
	MaxNodes int
	// in mainline hash_table, k = 8
	K int
	// for crawling mode, we put all nodes in one bucket, so BucketSize may
	// not be K
	BucketSize int
	// the nodes num to be fresh in a bucket
	RefreshNodeCount int
	// udp, udp4, udp6
	Network string
	// local network address
	LocalAddr *net.UDPAddr

	CheckPeerPeriod time.Duration

	ServerPort int
}{
	HeartbeatTaskSpec:     "*/10 * * * * *",
	RequestHeightTaskSpec: "0 * * * * *",
}

var ConfigFileGroup = ""

var InvalidMessageType = errors.New("invalid MessageType")

var InvalidTransactionType = errors.New("invalid TransactionType")