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!")
}
 

 Fixed a few bugs that the AI made. Replace the private key, file, and relay vars with your stuff, compile with "go build", and it should work 

 TY . Will try now. I am on a mini family vacation 

 No rush. Enjoy.

If it doesn't compile, ask the AI to fix it. Probably about err :=  

 how do you compile it? I checked out that GO repo, put a file called logger.go with your code  

 You got the compiler installed? 

 Yes 

 Make a folder like /home/verita84/go/src/nostrlogger then run "go mod init" inside. Then "go build logger.go". It may ask to run go get 

If all is well, it should create a binary file named logger which you can put in your bin folder 

 root@nas:~/go/src/nostrlogger# go run nostrlogger.go 
# command-line-arguments
./nostrlogger.go:14:2: undefined: sk
./nostrlogger.go:16:17: undefined: nostr.DerivePublicKey
./nostrlogger.go:16:33: undefined: sk
./nostrlogger.go:18:19: undefined: nostr.EncodePrivateKey
./nostrlogger.go:18:36: undefined: sk
./nostrlogger.go:20:19: undefined: nostr.EncodePublicKey
./nostrlogger.go:34:3: unknown field Type in struct literal of type nostr.Event
./nostrlogger.go:35:3: unknown field Payload in struct literal of type nostr.Event
./nostrlogger.go:39:3: unknown field Timestamp in struct literal of type nostr.Event
./nostrlogger.go:40:14: undefined: sk
./nostrlogger.go:40:14: too many errors
 

 Oops. Change to sk := 

:= is declaration, = is just assignment 

 That solved that error.

# command-line-arguments
./nostrlogger.go:16:17: undefined: nostr.DerivePublicKey
./nostrlogger.go:18:19: undefined: nostr.EncodePrivateKey
./nostrlogger.go:20:19: undefined: nostr.EncodePublicKey
./nostrlogger.go:34:3: unknown field Type in struct literal of type nostr.Event
./nostrlogger.go:35:3: unknown field Payload in struct literal of type nostr.Event
./nostrlogger.go:39:3: unknown field Timestamp in struct literal of type nostr.Event
./nostrlogger.go:40:3: unknown field Signature in struct literal of type nostr.Event
./nostrlogger.go:40:17: sk.Sign undefined (type string has no field or method Sign)
./nostrlogger.go:45:14: undefined: nostr.Publish
 

 Did you run 

go get github.com/nbd-wtf/go-nostr

? 

 Yes

 undefined: nostr.DerivePublicKey

nostr is never defined anywhere  

 import ... go-nostr should define it. 🤔

Let me try to compile it in termux 

 Looks like your nsec section shoud be like this?

  pk, _ := nostr.GetPublicKey(sk)
    nsec, _ := nip19.EncodePrivateKey(sk)
    npub, _ := nip19.EncodePublicKey(pk) 
 

 Does this compile? 

 It moves on
 Looks like the entite  event section is wrong too. Nothing like the sample   

 Need to read the code for .Publish() to see how to construct the event struct for DM 

 It's KindEncryptedDirectMessage. This is the struct. nip4.go has encryption functions

ev := nostr.Event{
	PubKey:    pub,
	CreatedAt: nostr.Now(),
	Kind:      KindEncryptedDirectMessage,
	Tags:      nil,
	Content:   need to encrypt this,
}