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package config
import (
"errors"
"fmt"
peer "github.com/libp2p/go-libp2p-core/peer"
ma "github.com/multiformats/go-multiaddr"
// Needs to be imported so that users can import this package directly
// and still parse the bootstrap addresses.
_ "github.com/multiformats/go-multiaddr-dns"
)
// DefaultBootstrapAddresses are the hardcoded bootstrap addresses
// for IPFS. they are nodes run by the IPFS team. docs on these later.
// As with all p2p networks, bootstrap is an important security concern.
//
// NOTE: This is here -- and not inside cmd/ipfs/init.go -- because of an
// import dependency issue. TODO: move this into a config/default/ package.
var DefaultBootstrapAddresses = []string{
"/dnsaddr/bootstrap.libp2p.io/ipfs/QmNnooDu7bfjPFoTZYxMNLWUQJyrVwtbZg5gBMjTezGAJN",
"/dnsaddr/bootstrap.libp2p.io/ipfs/QmQCU2EcMqAqQPR2i9bChDtGNJchTbq5TbXJJ16u19uLTa",
"/dnsaddr/bootstrap.libp2p.io/ipfs/QmbLHAnMoJPWSCR5Zhtx6BHJX9KiKNN6tpvbUcqanj75Nb",
"/dnsaddr/bootstrap.libp2p.io/ipfs/QmcZf59bWwK5XFi76CZX8cbJ4BhTzzA3gU1ZjYZcYW3dwt",
"/ip4/104.131.131.82/tcp/4001/ipfs/QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ", // mars.i.ipfs.io
"/ip4/104.236.179.241/tcp/4001/ipfs/QmSoLPppuBtQSGwKDZT2M73ULpjvfd3aZ6ha4oFGL1KrGM", // pluto.i.ipfs.io
"/ip4/128.199.219.111/tcp/4001/ipfs/QmSoLSafTMBsPKadTEgaXctDQVcqN88CNLHXMkTNwMKPnu", // saturn.i.ipfs.io
"/ip4/104.236.76.40/tcp/4001/ipfs/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64", // venus.i.ipfs.io
"/ip4/178.62.158.247/tcp/4001/ipfs/QmSoLer265NRgSp2LA3dPaeykiS1J6DifTC88f5uVQKNAd", // earth.i.ipfs.io
"/ip6/2604:a880:1:20::203:d001/tcp/4001/ipfs/QmSoLPppuBtQSGwKDZT2M73ULpjvfd3aZ6ha4oFGL1KrGM", // pluto.i.ipfs.io
"/ip6/2400:6180:0:d0::151:6001/tcp/4001/ipfs/QmSoLSafTMBsPKadTEgaXctDQVcqN88CNLHXMkTNwMKPnu", // saturn.i.ipfs.io
"/ip6/2604:a880:800:10::4a:5001/tcp/4001/ipfs/QmSoLV4Bbm51jM9C4gDYZQ9Cy3U6aXMJDAbzgu2fzaDs64", // venus.i.ipfs.io
"/ip6/2a03:b0c0:0:1010::23:1001/tcp/4001/ipfs/QmSoLer265NRgSp2LA3dPaeykiS1J6DifTC88f5uVQKNAd", // earth.i.ipfs.io
}
// ErrInvalidPeerAddr signals an address is not a valid peer address.
var ErrInvalidPeerAddr = errors.New("invalid peer address")
func (c *Config) BootstrapPeers() ([]peer.AddrInfo, error) {
return ParseBootstrapPeers(c.Bootstrap)
}
// DefaultBootstrapPeers returns the (parsed) set of default bootstrap peers.
// if it fails, it returns a meaningful error for the user.
// This is here (and not inside cmd/ipfs/init) because of module dependency problems.
func DefaultBootstrapPeers() ([]peer.AddrInfo, error) {
ps, err := ParseBootstrapPeers(DefaultBootstrapAddresses)
if err != nil {
return nil, fmt.Errorf(`failed to parse hardcoded bootstrap peers: %s
This is a problem with the ipfs codebase. Please report it to the dev team.`, err)
}
return ps, nil
}
func (c *Config) SetBootstrapPeers(bps []peer.AddrInfo) {
c.Bootstrap = BootstrapPeerStrings(bps)
}
// ParseBootstrapPeer parses a bootstrap list into a list of AddrInfos.
func ParseBootstrapPeers(addrs []string) ([]peer.AddrInfo, error) {
maddrs := make([]ma.Multiaddr, len(addrs))
for i, addr := range addrs {
var err error
maddrs[i], err = ma.NewMultiaddr(addr)
if err != nil {
return nil, err
}
}
return peer.AddrInfosFromP2pAddrs(maddrs...)
}
// BootstrapPeerStrings formats a list of AddrInfos as a bootstrap peer list
// suitable for serialization.
func BootstrapPeerStrings(bps []peer.AddrInfo) []string {
bpss := make([]string, 0, len(bps))
for _, pi := range bps {
addrs, err := peer.AddrInfoToP2pAddrs(&pi)
if err != nil {
// programmer error.
panic(err)
}
for _, addr := range addrs {
bpss = append(bpss, addr.String())
}
}
return bpss
}
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