prysm-pulse/beacon-chain/p2p/options.go
Raul Jordan d9c0e65cef
Improve Beacon Node Logging UX (#3600)
* info logs beacon node improvements

* prom test fixes

* info logging changes

* wrapped up node info logging

* changed to debug level

* warn logs taken care of

* Terence suggestion

* warn spacing

* better logging in initial sync

* debug level standardized

* complete debug standardization

* participation at epoch end

* fix archive tests

* even more test fixes

* prom test

* ops test

* powtest

* rpc sync test

* rem part

* log formatting
2019-10-01 15:05:17 -05:00

68 lines
1.8 KiB
Go

package p2p
import (
"crypto/ecdsa"
"fmt"
"net"
"github.com/libp2p/go-libp2p"
filter "github.com/libp2p/go-maddr-filter"
ma "github.com/multiformats/go-multiaddr"
)
// buildOptions for the libp2p host.
func buildOptions(cfg *Config, ip net.IP, priKey *ecdsa.PrivateKey) []libp2p.Option {
listen, err := ma.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%d", ip, cfg.TCPPort))
if err != nil {
log.Fatalf("Failed to p2p listen: %v", err)
}
options := []libp2p.Option{
privKeyOption(priKey),
libp2p.EnableRelay(),
libp2p.ListenAddrs(listen),
whitelistSubnet(cfg.WhitelistCIDR),
}
if cfg.EnableUPnP {
options = append(options, libp2p.NATPortMap()) //Allow to use UPnP
}
if cfg.RelayNodeAddr != "" {
options = append(options, libp2p.AddrsFactory(withRelayAddrs(cfg.RelayNodeAddr)))
}
return options
}
// 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 {
log.Debug("ECDSA private key generated")
return cfg.Apply(libp2p.Identity(convertToInterfacePrivkey(privkey)))
}
}
// whitelistSubnet adds a whitelist multiaddress filter for a given CIDR subnet.
// Example: 192.168.0.0/16 may be used to accept only connections on your local
// network.
func whitelistSubnet(cidr string) libp2p.Option {
if cidr == "" {
return func(_ *libp2p.Config) error {
return nil
}
}
return func(cfg *libp2p.Config) error {
_, ipnet, err := net.ParseCIDR(cidr)
if err != nil {
return err
}
if cfg.Filters == nil {
cfg.Filters = filter.NewFilters()
}
cfg.Filters.AddFilter(*ipnet, filter.ActionAccept)
return nil
}
}