| 1 | package libp2p |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | |
| 6 | "github.com/libp2p/go-libp2p" |
| 7 | "github.com/libp2p/go-libp2p/core/host" |
| 8 | "github.com/libp2p/go-libp2p/core/peer" |
| 9 | "github.com/libp2p/go-libp2p/core/peerstore" |
| 10 | ) |
| 11 | |
| 12 | type HostOption func(id peer.ID, ps peerstore.Peerstore, options ...libp2p.Option) (host.Host, error) |
| 13 | |
| 14 | var DefaultHostOption HostOption = constructPeerHost |
| 15 | |
| 16 | // isolates the complex initialization steps |
| 17 | func constructPeerHost(id peer.ID, ps peerstore.Peerstore, options ...libp2p.Option) (host.Host, error) { |
| 18 | pkey := ps.PrivKey(id) |
| 19 | if pkey == nil { |
| 20 | return nil, fmt.Errorf("missing private key for node ID: %s", id) |
| 21 | } |
| 22 | options = append([]libp2p.Option{libp2p.Identity(pkey), libp2p.Peerstore(ps)}, options...) |
| 23 | return libp2p.New(options...) |
| 24 | } |