sdk: add wait-for-ok example

crates/nostr-sdk/Cargo.toml

@@ -68,4 +68,8 @@ name = "client-stop"
 required-features = ["all-nips"]
 
 [[example]]
-name = "shutdown-on-drop"
+name = "shutdown-on-drop"
+
+[[example]]
+name = "wait-for-ok"
+required-features = ["nip19"]

crates/nostr-sdk/examples/wait-for-ok.rs

@@ -0,0 +1,34 @@
+// Copyright (c) 2022-2023 Yuki Kishimoto
+// Distributed under the MIT software license
+
+use std::time::Duration;
+
+use nostr_sdk::prelude::*;
+
+const BECH32_SK: &str = "nsec1ufnus6pju578ste3v90xd5m2decpuzpql2295m3sknqcjzyys9ls0qlc85";
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    env_logger::init();
+
+    let secret_key = SecretKey::from_bech32(BECH32_SK)?;
+    let my_keys = Keys::new(secret_key);
+
+    let opts = Options::new()
+        .wait_for_ok(true)
+        .send_timeout(Some(Duration::from_secs(30)));
+    let client = Client::with_opts(&my_keys, opts);
+
+    // Paid relays that will not allow this public key to publish event
+    client.add_relay("wss://eden.nostr.land", None).await?;
+    client.add_relay("wss://nostr.wine", None).await?;
+
+    client.connect().await;
+
+    // Publish a text note
+    client
+        .publish_text_note("Hello from rust nostr-sdk", &[])
+        .await?;
+
+    Ok(())
+}