mirror of https://github.com/status-im/go-waku.git
87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
package main
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import (
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"context"
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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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"time"
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"github.com/ethereum/go-ethereum/crypto"
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golog "github.com/ipfs/go-log/v2"
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"github.com/status-im/go-waku/waku/v2/node"
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"github.com/status-im/go-waku/waku/v2/protocol"
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)
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func main() {
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golog.SetAllLoggers(golog.LevelInfo) // Change to INFO for extra info
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hostAddr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:60001")
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extAddr, _ := net.ResolveTCPAddr("tcp", "0.0.0.0:60001")
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key := "9ceff459635becbab13190132172fc9612357696c176a9e2b6e22f28a73a54de"
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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, hostAddr, extAddr)
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if err != nil {
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fmt.Print(err)
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}
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wakuNode.MountRelay()
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wakuNode.MountStore()
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sub, err := wakuNode.Subscribe(nil)
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if err != nil {
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fmt.Println("Could not subscribe:", err)
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}
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// Read loop
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go func() {
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for value := range sub.C {
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payload, err := node.DecodePayload(value, &node.KeyInfo{Kind: node.None})
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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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fmt.Println("Received message:", string(payload))
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// sub.Unsubscribe()
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}
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}()
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// Write loop
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go func() {
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for {
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time.Sleep(1 * time.Second)
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var contentTopic uint32 = 1
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var version uint32 = 0
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payload, err := node.Encode([]byte("Hello World"), &node.KeyInfo{Kind: node.None}, 0)
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msg := &protocol.WakuMessage{Payload: payload, Version: &version, ContentTopic: &contentTopic}
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err = wakuNode.Publish(msg, nil)
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if err != nil {
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fmt.Println("Error sending a message", err)
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} else {
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fmt.Println("Sent message...")
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}
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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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if err := wakuNode.Stop(); err != nil {
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panic(err)
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}
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}
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