|
| 1 | +package config |
| 2 | + |
| 3 | +import ( |
| 4 | + "errors" |
| 5 | + "fmt" |
| 6 | + |
| 7 | + peer "github.com/libp2p/go-libp2p-core/peer" |
| 8 | + ma "github.com/multiformats/go-multiaddr" |
| 9 | +) |
| 10 | + |
| 11 | +// DefaultBootstrapAddresses are the hardcoded bootstrap addresses |
| 12 | +// for IPFS. they are nodes run by the IPFS team. docs on these later. |
| 13 | +// As with all p2p networks, bootstrap is an important security concern. |
| 14 | +// |
| 15 | +// NOTE: This is here -- and not inside cmd/ipfs/init.go -- because of an |
| 16 | +// import dependency issue. TODO: move this into a config/default/ package. |
| 17 | +var DefaultBootstrapAddresses = []string{ |
| 18 | + "/dnsaddr/bootstrap.libp2p.io/p2p/QmNnooDu7bfjPFoTZYxMNLWUQJyrVwtbZg5gBMjTezGAJN", |
| 19 | + "/dnsaddr/bootstrap.libp2p.io/p2p/QmQCU2EcMqAqQPR2i9bChDtGNJchTbq5TbXJJ16u19uLTa", |
| 20 | + "/dnsaddr/bootstrap.libp2p.io/p2p/QmbLHAnMoJPWSCR5Zhtx6BHJX9KiKNN6tpvbUcqanj75Nb", |
| 21 | + "/dnsaddr/bootstrap.libp2p.io/p2p/QmcZf59bWwK5XFi76CZX8cbJ4BhTzzA3gU1ZjYZcYW3dwt", |
| 22 | + "/ip4/104.131.131.82/tcp/4001/p2p/QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ", // mars.i.ipfs.io |
| 23 | + "/ip4/104.131.131.82/udp/4001/quic/p2p/QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ", // mars.i.ipfs.io |
| 24 | +} |
| 25 | + |
| 26 | +// ErrInvalidPeerAddr signals an address is not a valid peer address. |
| 27 | +var ErrInvalidPeerAddr = errors.New("invalid peer address") |
| 28 | + |
| 29 | +func (c *Config) BootstrapPeers() ([]peer.AddrInfo, error) { |
| 30 | + return ParseBootstrapPeers(c.Bootstrap) |
| 31 | +} |
| 32 | + |
| 33 | +// DefaultBootstrapPeers returns the (parsed) set of default bootstrap peers. |
| 34 | +// if it fails, it returns a meaningful error for the user. |
| 35 | +// This is here (and not inside cmd/ipfs/init) because of module dependency problems. |
| 36 | +func DefaultBootstrapPeers() ([]peer.AddrInfo, error) { |
| 37 | + ps, err := ParseBootstrapPeers(DefaultBootstrapAddresses) |
| 38 | + if err != nil { |
| 39 | + return nil, fmt.Errorf(`failed to parse hardcoded bootstrap peers: %s |
| 40 | +This is a problem with the ipfs codebase. Please report it to the dev team`, err) |
| 41 | + } |
| 42 | + return ps, nil |
| 43 | +} |
| 44 | + |
| 45 | +func (c *Config) SetBootstrapPeers(bps []peer.AddrInfo) { |
| 46 | + c.Bootstrap = BootstrapPeerStrings(bps) |
| 47 | +} |
| 48 | + |
| 49 | +// ParseBootstrapPeer parses a bootstrap list into a list of AddrInfos. |
| 50 | +func ParseBootstrapPeers(addrs []string) ([]peer.AddrInfo, error) { |
| 51 | + maddrs := make([]ma.Multiaddr, len(addrs)) |
| 52 | + for i, addr := range addrs { |
| 53 | + var err error |
| 54 | + maddrs[i], err = ma.NewMultiaddr(addr) |
| 55 | + if err != nil { |
| 56 | + return nil, err |
| 57 | + } |
| 58 | + } |
| 59 | + return peer.AddrInfosFromP2pAddrs(maddrs...) |
| 60 | +} |
| 61 | + |
| 62 | +// BootstrapPeerStrings formats a list of AddrInfos as a bootstrap peer list |
| 63 | +// suitable for serialization. |
| 64 | +func BootstrapPeerStrings(bps []peer.AddrInfo) []string { |
| 65 | + bpss := make([]string, 0, len(bps)) |
| 66 | + for _, pi := range bps { |
| 67 | + addrs, err := peer.AddrInfoToP2pAddrs(&pi) |
| 68 | + if err != nil { |
| 69 | + // programmer error. |
| 70 | + panic(err) |
| 71 | + } |
| 72 | + for _, addr := range addrs { |
| 73 | + bpss = append(bpss, addr.String()) |
| 74 | + } |
| 75 | + } |
| 76 | + return bpss |
| 77 | +} |
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