prysm-pulse/beacon-chain/p2p/options.go
Raul Jordan 100ca0ebaf
Prysmctl Command to Request Beacon Nodes for Block Ranges Over P2P (#11035)
* first

* attempt p2p connect send tool

* attempt

* stream registration

* trying to register

* attempt

* workinnnn

* begin

* p2p prysmctl tool

* ignore

* fix

* delete deprecated

* p2p smaller iface surface area

* further p2p refactor

* gaz

* better logging

* process

* all functionality

* fix up

* rhandle

* v2 req

* cmd

* send sub

* v1 handle

* show head slot

* cmd

* cmd lib

* gazelle fix

* bazel

* gaz

* work on the handshake items

* prevent dial to self

* add config awareness

* gaz

* inferring host addrs from p2p

* initialize data mappings

* add own mock

* fix up logic

* gaz

* add img

* gaz

* add images

* builds

* builds

* nishant feedback:

Co-authored-by: Nishant Das <nishdas93@gmail.com>
2022-08-17 06:38:57 +00:00

132 lines
4.3 KiB
Go

package p2p
import (
"crypto/ecdsa"
"fmt"
"net"
"github.com/libp2p/go-libp2p"
"github.com/libp2p/go-libp2p-core/peer"
"github.com/libp2p/go-libp2p/p2p/muxer/mplex"
noise "github.com/libp2p/go-libp2p/p2p/security/noise"
"github.com/libp2p/go-libp2p/p2p/transport/tcp"
ma "github.com/multiformats/go-multiaddr"
"github.com/pkg/errors"
ecdsaprysm "github.com/prysmaticlabs/prysm/v3/crypto/ecdsa"
"github.com/prysmaticlabs/prysm/v3/runtime/version"
)
// MultiAddressBuilder takes in an ip address string and port to produce a go multiaddr format.
func MultiAddressBuilder(ipAddr string, port uint) (ma.Multiaddr, error) {
parsedIP := net.ParseIP(ipAddr)
if parsedIP.To4() == nil && parsedIP.To16() == nil {
return nil, errors.Errorf("invalid ip address provided: %s", ipAddr)
}
if parsedIP.To4() != nil {
return ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%d", ipAddr, port))
}
return ma.NewMultiaddr(fmt.Sprintf("/ip6/%s/tcp/%d", ipAddr, port))
}
// buildOptions for the libp2p host.
func (s *Service) buildOptions(ip net.IP, priKey *ecdsa.PrivateKey) []libp2p.Option {
cfg := s.cfg
listen, err := MultiAddressBuilder(ip.String(), cfg.TCPPort)
if err != nil {
log.WithError(err).Fatal("Failed to p2p listen")
}
if cfg.LocalIP != "" {
if net.ParseIP(cfg.LocalIP) == nil {
log.Fatalf("Invalid local ip provided: %s", cfg.LocalIP)
}
listen, err = MultiAddressBuilder(cfg.LocalIP, cfg.TCPPort)
if err != nil {
log.WithError(err).Fatal("Failed to p2p listen")
}
}
ifaceKey, err := ecdsaprysm.ConvertToInterfacePrivkey(priKey)
if err != nil {
log.WithError(err).Fatal("Failed to retrieve private key")
}
id, err := peer.IDFromPublicKey(ifaceKey.GetPublic())
if err != nil {
log.WithError(err).Fatal("Failed to retrieve peer id")
}
log.Infof("Running node with peer id of %s ", id.String())
options := []libp2p.Option{
privKeyOption(priKey),
libp2p.ListenAddrs(listen),
libp2p.UserAgent(version.BuildData()),
libp2p.ConnectionGater(s),
libp2p.Transport(tcp.NewTCPTransport),
libp2p.Muxer("/mplex/6.7.0", mplex.DefaultTransport),
libp2p.DefaultMuxers,
}
options = append(options, libp2p.Security(noise.ID, noise.New))
if cfg.EnableUPnP {
options = append(options, libp2p.NATPortMap()) // Allow to use UPnP
}
if cfg.RelayNodeAddr != "" {
options = append(options, libp2p.AddrsFactory(withRelayAddrs(cfg.RelayNodeAddr)))
} else {
// Disable relay if it has not been set.
options = append(options, libp2p.DisableRelay())
}
if cfg.HostAddress != "" {
options = append(options, libp2p.AddrsFactory(func(addrs []ma.Multiaddr) []ma.Multiaddr {
external, err := MultiAddressBuilder(cfg.HostAddress, cfg.TCPPort)
if err != nil {
log.WithError(err).Error("Unable to create external multiaddress")
} else {
addrs = append(addrs, external)
}
return addrs
}))
}
if cfg.HostDNS != "" {
options = append(options, libp2p.AddrsFactory(func(addrs []ma.Multiaddr) []ma.Multiaddr {
external, err := ma.NewMultiaddr(fmt.Sprintf("/dns4/%s/tcp/%d", cfg.HostDNS, cfg.TCPPort))
if err != nil {
log.WithError(err).Error("Unable to create external multiaddress")
} else {
addrs = append(addrs, external)
}
return addrs
}))
}
// Disable Ping Service.
options = append(options, libp2p.Ping(false))
return options
}
func multiAddressBuilderWithID(ipAddr, protocol string, port uint, id peer.ID) (ma.Multiaddr, error) {
parsedIP := net.ParseIP(ipAddr)
if parsedIP.To4() == nil && parsedIP.To16() == nil {
return nil, errors.Errorf("invalid ip address provided: %s", ipAddr)
}
if id.String() == "" {
return nil, errors.New("empty peer id given")
}
if parsedIP.To4() != nil {
return ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/%s/%d/p2p/%s", ipAddr, protocol, port, id.String()))
}
return ma.NewMultiaddr(fmt.Sprintf("/ip6/%s/%s/%d/p2p/%s", ipAddr, protocol, port, id.String()))
}
// Adds a private key to the libp2p option if the option was provided.
// If the private key file is missing or cannot be read, or if the
// private key contents cannot be marshaled, an exception is thrown.
func privKeyOption(privkey *ecdsa.PrivateKey) libp2p.Option {
return func(cfg *libp2p.Config) error {
ifaceKey, err := ecdsaprysm.ConvertToInterfacePrivkey(privkey)
if err != nil {
return err
}
log.Debug("ECDSA private key generated")
return cfg.Apply(libp2p.Identity(ifaceKey))
}
}