discovery

package

v0.1.0 Latest Latest Go to latest Published: Jan 24, 2022 License: Apache-2.0 Imports: 10 Imported by: 0

Details

Package discovery provides peer discovery.

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type Config struct {
	P2P        *p2p.Config
	DBPath     string
	ListenAddr net.UDPAddr
}

func DefaultConfig(p2pConfig *p2p.Config) *Config

DefaultConfig constructs discovery config using viper.

type Node struct {
	Config     *Config
	Peers      *Peers
	PrivateKey *ecdsa.PrivateKey
	// contains filtered or unexported fields
}

Node participates in the discv5 network.

func NewNode(config *Config, peers *Peers, key *ecdsa.PrivateKey) *Node

func (n *Node) Close()

func (n *Node) Listen() (err error)

Listen starts up the discv5 UDP listener and node logic.

type Peers struct {
	DB    *enode.DB
	Local *enode.LocalNode
}

Peers keeps track about the node's own ENR and all other peers' ENRs.

func NewPeerDB(config *Config, p2pConfig *p2p.Config, key *ecdsa.PrivateKey) (*Peers, error)

NewPeerDB opens the peer discovery database.

func (c *Peers) Close()

Close saves and closes the peer discovery database.

The Peers object must not be used after closing.