mirror of https://github.com/status-im/go-waku.git
129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
package cmd
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import (
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"context"
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"net"
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"os"
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"os/signal"
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"syscall"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/status-im/go-waku/waku/v2/node"
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)
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func randomHex(n int) (string, error) {
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bytes := make([]byte, n)
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if _, err := rand.Read(bytes); err != nil {
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return "", err
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}
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return hex.EncodeToString(bytes), nil
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}
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var rootCmd = &cobra.Command{
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Use: "waku",
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Short: "Start a waku node",
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Long: `Start a waku node...`,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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Run: func(cmd *cobra.Command, args []string) {
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port, _ := cmd.Flags().GetInt("port")
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relay, _ := cmd.Flags().GetBool("relay")
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key, _ := cmd.Flags().GetString("nodekey")
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store, _ := cmd.Flags().GetBool("store")
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dbPath, _ := cmd.Flags().GetString("dbpath")
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storenode, _ := cmd.Flags().GetString("storenode")
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staticnodes, _ := cmd.Flags().GetStringSlice("staticnodes")
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hostAddr, _ := net.ResolveTCPAddr("tcp", fmt.Sprint("0.0.0.0:", port))
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if key == "" {
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var err error
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key, err = randomHex(32)
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if err != nil {
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fmt.Println("Could not generate random key")
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return
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}
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}
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prvKey, err := crypto.HexToECDSA(key)
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ctx := context.Background()
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wakuNode, err := node.New(ctx, prvKey, []net.Addr{hostAddr})
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if err != nil {
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fmt.Println(err)
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return
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}
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if relay {
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wakuNode.MountRelay()
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}
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if store && dbPath != "" {
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db, err := NewDBStore(dbPath)
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if err != nil {
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fmt.Println(err)
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return
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}
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err = wakuNode.MountStore(db)
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if err != nil {
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fmt.Println(err)
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return
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}
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wakuNode.StartStore()
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}
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if storenode != "" && !store {
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fmt.Println("Store protocol was not started")
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return
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} else {
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if storenode != "" {
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wakuNode.AddStorePeer(storenode)
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}
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}
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if len(staticnodes) > 0 {
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for _, n := range staticnodes {
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go wakuNode.DialPeer(n)
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}
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}
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// Wait for a SIGINT or SIGTERM signal
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ch := make(chan os.Signal, 1)
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signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
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<-ch
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fmt.Println("\n\n\nReceived signal, shutting down...")
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// shut the node down
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wakuNode.Stop()
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},
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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cobra.CheckErr(rootCmd.Execute())
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}
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func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.Flags().Int("port", 9000, "Libp2p TCP listening port (0 for random)")
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rootCmd.Flags().String("nodekey", "", "P2P node private key as hex (default random)")
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rootCmd.Flags().StringSlice("staticnodes", []string{}, "Multiaddr of peer to directly connect with. Argument may be repeated")
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rootCmd.Flags().Bool("store", false, "Enable store protocol")
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rootCmd.Flags().String("dbpath", "./store.db", "Path to DB file")
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rootCmd.Flags().String("storenode", "", "Multiaddr of peer to connect with for waku store protocol")
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rootCmd.Flags().Bool("relay", true, "Enable relay protocol")
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}
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func initConfig() {
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viper.AutomaticEnv() // read in environment variables that match
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}
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