| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | |
| 6 | peer "github.com/libp2p/go-libp2p/core/peer" |
| 7 | ma "github.com/multiformats/go-multiaddr" |
| 8 | ) |
| 9 | |
| 10 | // ErrInvalidPeerAddr signals an address is not a valid peer address. |
| 11 | var ErrInvalidPeerAddr = errors.New("invalid peer address") |
| 12 | |
| 13 | func (c *Config) BootstrapPeers() ([]peer.AddrInfo, error) { |
| 14 | return ParseBootstrapPeers(c.Bootstrap) |
| 15 | } |
| 16 | |
| 17 | func (c *Config) SetBootstrapPeers(bps []peer.AddrInfo) { |
| 18 | c.Bootstrap = BootstrapPeerStrings(bps) |
| 19 | } |
| 20 | |
| 21 | // ParseBootstrapPeers parses a bootstrap list into a list of AddrInfos. |
| 22 | func ParseBootstrapPeers(addrs []string) ([]peer.AddrInfo, error) { |
| 23 | maddrs := make([]ma.Multiaddr, len(addrs)) |
| 24 | for i, addr := range addrs { |
| 25 | var err error |
| 26 | maddrs[i], err = ma.NewMultiaddr(addr) |
| 27 | if err != nil { |
| 28 | return nil, err |
| 29 | } |
| 30 | } |
| 31 | return peer.AddrInfosFromP2pAddrs(maddrs...) |
| 32 | } |
| 33 | |
| 34 | // BootstrapPeerStrings formats a list of AddrInfos as a bootstrap peer list |
| 35 | // suitable for serialization. |
| 36 | func BootstrapPeerStrings(bps []peer.AddrInfo) []string { |
| 37 | bpss := make([]string, 0, len(bps)) |
| 38 | for _, pi := range bps { |
| 39 | addrs, err := peer.AddrInfoToP2pAddrs(&pi) |
| 40 | if err != nil { |
| 41 | // programmer error. |
| 42 | panic(err) |
| 43 | } |
| 44 | for _, addr := range addrs { |
| 45 | bpss = append(bpss, addr.String()) |
| 46 | } |
| 47 | } |
| 48 | return bpss |
| 49 | } |