feat: improve NIP-17 DM loading logic for incoming and outgoing messages

src/bin/test_message_loading.rs

@@ -0,0 +1,66 @@
+use easy_nostr::EasyNostr;
+use std::env;
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    // 1. YOUR PRIVATE KEY (The one who is logged in)
+    // You can use the HEX format OR the NSEC string. nostr-sdk handles both.
+    // Example (This must be YOUR secret key):
+    let my_private_key = env::var("NOSTR_PRIVATE_KEY").unwrap_or_else(|_| {
+        // This must be a SECRET key (hex or nsec), not a public key!
+        "hex_nsec_key".to_string()
+    });
+
+    // 2. THE CONTACT'S PUBLIC KEY (The person you are chatting with)
+    let contact_npub = "npub1...";
+
+    println!("🚀 Initializing EasyNostr with my private key...");
+    // EasyNostr::new calls Keys::parse() internally, which accepts Hex or Nsec
+    let easy_nostr = EasyNostr::new(&my_private_key).await?;
+
+    println!("🌐 Connecting to relays...");
+    let relays = vec![
+        "wss://relay.damus.io",
+        "wss://nos.lol",
+        "wss://relay.snort.social",
+        "wss://relay.primal.net", // Added Primal as it's very reliable for DMs
+    ];
+    easy_nostr.add_relays(relays).await?;
+
+    println!("📥 Fetching messages for contact: {}...", contact_npub);
+
+    // 3. Fetch the messages
+    // This will look for:
+    // - Messages from contact_npub to ME (decrypted with my_private_key)
+    // - Messages from ME to contact_npub
+    let messages = easy_nostr.get_private_messages(contact_npub).await?;
+
+    println!("\n--- 💬 Chat History ({}) ---", messages.len());
+
+    if messages.is_empty() {
+        println!("❌ No messages found.");
+        println!(
+            "Hint: Make sure the private key corresponds to the account that sent/received the messages."
+        );
+    } else {
+        for msg in messages {
+            let direction = if msg.is_incoming {
+                "⬅️ [IN]"
+            } else {
+                "➡️ [OUT]"
+            };
+            let time = msg.created_at.to_human_datetime();
+
+            println!(
+                "{} | {} | Sender: {:.8}...\n   Content: {}\n",
+                direction,
+                time,
+                msg.sender.to_hex(),
+                msg.content
+            );
+        }
+    }
+
+    println!("--- End of History ---");
+    Ok(())
+}

src/functions/messages.rs

@@ -1,14 +1,19 @@
+use crate::nips::nip17::{self, Message};
 use anyhow::Result;
 use nostr_sdk::prelude::*;
-// Importiere das Message Struct aus nip17!
-use crate::nips::nip17::{self, Message};
 
-pub async fn send_private_message(client: &Client, receiver_pubkey: &str, message: &str) -> Result<EventId> {
+/// Sends a private message.
+/// The SDK will automatically handle the NIP-17 (modern) or NIP-04 (legacy) logic.
+pub async fn send_private_message(
+    client: &Client,
+    receiver_pubkey: &str,
+    message: &str,
+) -> Result<EventId> {
     let receiver = PublicKey::parse(receiver_pubkey)?;
     nip17::send_dm(client, receiver, message).await
 }
 
-// Rückgabetyp ist Vec<Message>
+/// Fetches all private messages between the user and a specific contact.
 pub async fn get_private_messages(client: &Client, contact_npub: &str) -> Result<Vec<Message>> {
     nip17::get_dm_messages(client, contact_npub).await
-}
+}

src/lib.rs

@@ -30,11 +30,11 @@ impl EasyNostr {
         messages::send_private_message(&self.client, receiver_pubkey, message).await
     }
 
+    /// Retrieves history of DMs with a specific contact
     pub async fn get_private_messages(&self, contact_npub: &str) -> Result<Vec<Message>> {
         messages::get_private_messages(&self.client, contact_npub).await
     }
 
-    /// Fügt Relays hinzu und verbindet
     pub async fn add_relays(&self, urls: Vec<&str>) -> Result<()> {
         relays::add_relays(&self.client, urls).await
     }

src/nips/nip17.rs

@@ -1,8 +1,8 @@
 use anyhow::Result;
 use nostr_sdk::prelude::*;
+use std::collections::HashSet;
 use std::time::Duration;
 
-/// UI Message Struktur
 #[derive(Debug, Clone)]
 pub struct Message {
     pub id: EventId,
@@ -12,79 +12,98 @@ pub struct Message {
     pub is_incoming: bool,
 }
 
-/// Direktnachricht senden
 pub async fn send_dm(client: &Client, receiver: PublicKey, message: &str) -> Result<EventId> {
     let output = client.send_private_msg(receiver, message, None).await?;
     Ok(*output.id())
 }
 
-/// Direktnachrichten abrufen
+// src/nips/nip17.rs
+
 pub async fn get_dm_messages(client: &Client, contact_npub: &str) -> Result<Vec<Message>> {
     let signer = client.signer().await?;
     let my_pubkey = signer.get_public_key().await?;
     let contact_pubkey = PublicKey::parse(contact_npub)?;
 
-    // --- Einzelne Filter erstellen ---
-    let filter_in = Filter::new()
+    let search_start = Timestamp::now() - Duration::from_secs(60 * 60 * 24 * 365);
+
+    // STRATEGY: We only fetch events where WE are the recipient (#p tag).
+    // In NIP-17, sent messages are only readable if we sent a copy to ourselves.
+    // In NIP-04, we can fetch messages we authored.
+
+    let filter_to_me = Filter::new()
         .kinds([Kind::GiftWrap, Kind::EncryptedDirectMessage])
-        .pubkey(my_pubkey)
-        .since(Timestamp::now() - Duration::from_secs(60 * 60 * 24 * 30))
-        .limit(500);
+        .pubkey(my_pubkey) // All GiftWraps sent TO me (includes my own copies)
+        .since(search_start);
 
-    let filter_out = Filter::new()
+    let filter_from_me_legacy = Filter::new()
         .kind(Kind::EncryptedDirectMessage)
-        .author(my_pubkey)
+        .author(my_pubkey) // Only for NIP-04 legacy (where author can decrypt)
         .pubkey(contact_pubkey)
-        .limit(100);
+        .since(search_start);
 
-    // --- Abrufen: zwei einzelne fetches, dann Ergebnisse mergen ---
     let mut events = client
-        .fetch_events(filter_in, Duration::from_secs(10))
-        .await?;
+        .fetch_events(filter_to_me, Duration::from_secs(10))
+        .await?
+        .to_vec();
     let more_events = client
-        .fetch_events(filter_out, Duration::from_secs(10))
-        .await?;
-    events.extend(more_events.into_iter());
+        .fetch_events(filter_from_me_legacy, Duration::from_secs(10))
+        .await?
+        .to_vec();
+    events.extend(more_events);
 
+    let mut seen_ids = HashSet::new();
     let mut messages: Vec<Message> = Vec::new();
 
-    for event in events.iter() {
-        // === NIP-17 (Gift Wrap) Verarbeitung ===
+    for event in events {
+        if !seen_ids.insert(event.id) {
+            continue;
+        }
+
+        // === NIP-17 Processing ===
         if event.kind == Kind::GiftWrap {
-            if let Ok(unwrapped) = client.unwrap_gift_wrap(event).await {
+            if let Ok(unwrapped) = client.unwrap_gift_wrap(&event).await {
                 let rumor = unwrapped.rumor;
-                // Allow TextNote (1) or ChatMessage (14)
-                if rumor.pubkey == contact_pubkey
-                    && (rumor.kind == Kind::TextNote || rumor.kind == Kind::from(14))
+
+                // 1. INCOMING: Rumor author is contact
+                let is_incoming = rumor.pubkey == contact_pubkey;
+
+                // 2. OUTGOING: Rumor is from ME, and it contains a tag pointing to the contact
+                // Most NIP-17 rumors have a 'p' tag inside the rumor to show who it's for.
+                let is_outgoing = rumor.pubkey == my_pubkey
+                    && rumor.tags.iter().any(|t| {
+                        if let Some(TagStandard::PublicKey { public_key, .. }) = t.as_standardized()
+                        {
+                            public_key == &contact_pubkey
+                        } else {
+                            false
+                        }
+                    });
+
+                if (is_incoming || is_outgoing)
+                    && (rumor.kind == Kind::from(14) || rumor.kind == Kind::TextNote)
                 {
                     messages.push(Message {
                         id: event.id,
                         sender: rumor.pubkey,
                         content: rumor.content.clone(),
                         created_at: rumor.created_at,
-                        is_incoming: true,
+                        is_incoming,
                     });
                 }
             }
         }
-        // === NIP-04 (Legacy) Verarbeitung ===
+        // === NIP-04 Processing ===
         else if event.kind == Kind::EncryptedDirectMessage {
-            // TagStandard::PublicKey ist ein Struct-Variant: Felder mit Struct-Syntax matchen
-            let has_contact_tag = event.tags.iter().any(|t| match t.as_standardized() {
-                Some(TagStandard::PublicKey { public_key, .. }) => *public_key == contact_pubkey,
-                _ => false,
-            });
-
             let is_incoming = event.pubkey == contact_pubkey;
-            let is_outgoing = event.pubkey == my_pubkey && has_contact_tag;
+            let is_outgoing = event.pubkey == my_pubkey; // Already filtered by p-tag in the filter
 
             if is_incoming || is_outgoing {
-                let counterparty = if is_incoming {
+                let decrypt_with = if is_incoming {
                     event.pubkey
                 } else {
                     contact_pubkey
                 };
-                if let Ok(content) = signer.nip04_decrypt(&counterparty, &event.content).await {
+                if let Ok(content) = signer.nip04_decrypt(&decrypt_with, &event.content).await {
                     messages.push(Message {
                         id: event.id,
                         sender: event.pubkey,
@@ -97,8 +116,6 @@ pub async fn get_dm_messages(client: &Client, contact_npub: &str) -> Result<Vec<
         }
     }
 
-    // Nachrichten chronologisch sortieren
     messages.sort_by(|a, b| a.created_at.cmp(&b.created_at));
-
     Ok(messages)
 }