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				https://source.quilibrium.com/quilibrium/ceremonyclient.git
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			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package main
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import (
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	"context"
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	"crypto/rand"
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	"fmt"
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	"io"
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	"log"
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	"os"
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	"github.com/libp2p/go-libp2p/p2p/transport/quicreuse"
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	ic "github.com/libp2p/go-libp2p/core/crypto"
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	"github.com/libp2p/go-libp2p/core/peer"
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	libp2pquic "github.com/libp2p/go-libp2p/p2p/transport/quic"
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	ma "github.com/multiformats/go-multiaddr"
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)
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func main() {
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	if len(os.Args) != 3 {
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		fmt.Printf("Usage: %s <multiaddr> <peer id>", os.Args[0])
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		return
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	}
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	if err := run(os.Args[1], os.Args[2]); err != nil {
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		log.Fatalf(err.Error())
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	}
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}
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func run(raddr string, p string) error {
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	peerID, err := peer.Decode(p)
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	if err != nil {
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		return err
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	}
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	addr, err := ma.NewMultiaddr(raddr)
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	if err != nil {
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		return err
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	}
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	priv, _, err := ic.GenerateECDSAKeyPair(rand.Reader)
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	if err != nil {
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		return err
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	}
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	reuse, err := quicreuse.NewConnManager([32]byte{})
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	if err != nil {
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		return err
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	}
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	t, err := libp2pquic.NewTransport(priv, reuse, nil, nil, nil)
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	if err != nil {
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		return err
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	}
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	log.Printf("Dialing %s\n", addr.String())
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	conn, err := t.Dial(context.Background(), addr, peerID)
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	if err != nil {
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		return err
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	}
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	defer conn.Close()
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	str, err := conn.OpenStream(context.Background())
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	if err != nil {
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		return err
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	}
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	defer str.Close()
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	const msg = "Hello world!"
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	log.Printf("Sending: %s\n", msg)
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	if _, err := str.Write([]byte(msg)); err != nil {
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		return err
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	}
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	if err := str.CloseWrite(); err != nil {
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		return err
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	}
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	data, err := io.ReadAll(str)
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	if err != nil {
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		return err
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	}
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	log.Printf("Received: %s\n", data)
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	return nil
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}
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