Oddbean new post about | logout
 package main

import (
	"fmt"
	"github.com/nbd-wtf/go-nostr"
		
	"io/ioutil"
	"log"
	
)

func main() {
	// Generate a new private key
	sk = "private key"
	// Derive the public key from the private key
	pk, _ := nostr.DerivePublicKey(sk)
	// Encode the private key into NIP-19 format
	nsec, _ := nostr.EncodePrivateKey(sk)
	// Encode the public key into NIP-19 format
	npub, _ := nostr.EncodePublicKey(pk)


	filePath := "path/to/your/file.txt"
	// Read the file into a byte slice
	content, err := ioutil.ReadFile(filePath)
	if err!= nil {
		log.Fatalf("Failed to read file: %v", err)
	}
	// Convert the byte slice to a string
	dmcontent := string(content)

	// Create a new event to represent the DM
	event := &nostr.Event{
		Type: "dm",
		Payload: map[string]interface{}{
			"recipient": npub,
			"content":   dmcontent,
		},
		Timestamp: nostr.Now(),
		Signature: sk.Sign([]byte(fmt.Sprintf("%s %s", nsec, npub))),
	}

	// Publish the event to a relay
	relayURL := "wss://your-relay-url-here"
	err = nostr.Publish(event, relayURL)
	if err!= nil {
		fmt.Println("Error publishing event:", err)
		return
	}

	fmt.Println("Direct message sent successfully!")
}