You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.5 KiB
57 lines
1.5 KiB
package p2pimpl
|
|
|
|
import (
|
|
"fmt"
|
|
"net"
|
|
|
|
"github.com/harmony-one/harmony/p2p"
|
|
"github.com/harmony-one/harmony/p2p/host"
|
|
"github.com/harmony-one/harmony/p2p/host/hostv1"
|
|
"github.com/harmony-one/harmony/p2p/host/hostv2"
|
|
|
|
"github.com/harmony-one/harmony/internal/utils"
|
|
peer "github.com/libp2p/go-libp2p-peer"
|
|
ma "github.com/multiformats/go-multiaddr"
|
|
)
|
|
|
|
// Version The version number of p2p library
|
|
// 1 - Direct socket connection
|
|
// 2 - libp2p
|
|
const Version = 2
|
|
|
|
// NewHost starts the host for p2p
|
|
// for hostv2, it generates multiaddress, keypair and add PeerID to peer, add priKey to host
|
|
// TODO (leo) the PriKey of the host has to be persistent in disk, so that we don't need to regenerate it
|
|
// on the same host if the node software restarted. The peerstore has to be persistent as well.
|
|
func NewHost(self *p2p.Peer) (host.Host, error) {
|
|
if Version == 1 {
|
|
h := hostv1.New(self)
|
|
return h, nil
|
|
}
|
|
|
|
selfAddr, err := ma.NewMultiaddr(fmt.Sprintf("/ip4/0.0.0.0/tcp/%s", self.Port))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
self.Addrs = append(self.Addrs, selfAddr)
|
|
|
|
// TODO (leo), change to GenKeyP2PRand() to generate random key. Right now, the key is predictable as the
|
|
// seed is fixed.
|
|
priKey, pubKey, err := utils.GenKeyP2P(self.IP, self.Port)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
peerID, err := peer.IDFromPublicKey(pubKey)
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
self.PeerID = peerID
|
|
h := hostv2.New(*self, priKey)
|
|
|
|
utils.GetLogInstance().Info("NewHost", "self", net.JoinHostPort(self.IP, self.Port), "PeerID", self.PeerID)
|
|
|
|
return h, nil
|
|
}
|
|
|