server

type Config struct {
	// DataDir indicates the path the store data files.
	DataDir string

	// Chain represents the BlockChain instance.
	Chain *blockchain.BlockChain

	// TxMemPool represents the TxPool instance.
	TxMemPool *mempool.TxPool

	// ChainParams represents the active net parameters.
	ChainParams *config.Params

	// PermanentPeers are the peers need to be connected permanently.
	PermanentPeers []string

	// NewTxFilter indicates the function to create a TxFilter according to the
	// TxFilterType.
	NewTxFilter func(filter.TxFilterType) filter.TxFilter
	//node version
	NodeVersion string
}

type Server interface {
	svr.IServer

	// Services returns the service flags the server supports.
	Services() pact.ServiceFlag

	// NewPeer adds a new peer that has already been connected to the server.
	NewPeer(p svr.IPeer) bool

	// DonePeer removes a peer that has already been connected to the server by ip.
	DonePeer(p svr.IPeer)

	// RelayInventory relays the passed inventory vector to all connected peers
	// that are not already known to have it.
	RelayInventory(invVect *msg.InvVect, data interface{})
}