mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 21:07:18 +00:00
273b917319
* update workspace * change to new version * gaz * set keys * try more things * finally fixed all tests * fix bootnode * Update beacon-chain/p2p/discovery.go Co-Authored-By: Preston Van Loon <preston@prysmaticlabs.com> * preston's and raul's review * add http server * add tool * add image * change comment * add multiaddr comment * lint * cosmetic changes * fix docker * remove dep * preston's requested changes * new flags * add support for separate tcp port * fix refs * change tcp port
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// This binary is a simple rest API endpoint to calculate
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// the ENR value of a node given its private key,ip address and port.
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package main
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import (
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"crypto/ecdsa"
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"flag"
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"io/ioutil"
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"net"
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"github.com/btcsuite/btcd/btcec"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/p2p/enr"
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"github.com/libp2p/go-libp2p-core/crypto"
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log "github.com/sirupsen/logrus"
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_ "go.uber.org/automaxprocs"
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)
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var (
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privateKey = flag.String("private", "", "Base-64 encoded Private key to use for calculation of ENR")
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udpPort = flag.Int("port", 0, "UDP Port to use for calculation of ENR")
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tcpPort = flag.Int("port", 0, "TCP Port to use for calculation of ENR")
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ipAddr = flag.String("ipAddress", "", "IP to use in calculation of ENR")
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outfile = flag.String("out", "", "Filepath to write ENR")
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)
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func main() {
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flag.Parse()
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if len(*privateKey) == 0 {
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log.Fatal("No private key given")
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}
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decodedKey, err := crypto.ConfigDecodeKey(*privateKey)
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if err != nil {
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log.Fatalf("Unable to decode private key: %v\n", err)
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}
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privatekey, err := crypto.UnmarshalPrivateKey(decodedKey)
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if err != nil {
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log.Fatalf("Unable to unmarshal private key: %v\n", err)
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}
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ecdsaPrivKey := (*ecdsa.PrivateKey)((*btcec.PrivateKey)(privatekey.(*crypto.Secp256k1PrivateKey)))
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if net.ParseIP(*ipAddr).To4() == nil {
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log.Fatalf("Invalid ipv4 address given: %v\n", err)
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}
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if *udpPort == 0 {
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log.Fatalf("Invalid udp port given: %v\n", err)
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return
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}
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db, err := enode.OpenDB("")
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defer db.Close()
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if err != nil {
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log.Fatalf("Could not open node's peer database: %v\n", err)
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return
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}
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localNode := enode.NewLocalNode(db, ecdsaPrivKey)
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ipEntry := enr.IP(net.ParseIP(*ipAddr))
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udpEntry := enr.UDP(*udpPort)
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localNode.Set(ipEntry)
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localNode.Set(udpEntry)
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if *tcpPort != 0 {
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tcpEntry := enr.TCP(*tcpPort)
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localNode.Set(tcpEntry)
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}
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log.Info(localNode.Node().String())
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if *outfile != "" {
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err := ioutil.WriteFile(*outfile, []byte(localNode.Node().String()), 0644)
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if err != nil {
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panic(err)
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}
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log.Infof("Wrote to %s", *outfile)
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}
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}
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