[skip ci] Expose log_debug_info method

Author: dleutenegger

examples/3l-node/cli.rs

@@ -132,6 +132,11 @@ pub(crate) fn poll_for_user_input(node: &LightningNode, log_file_path: &str) {
                     Ok(uuid) => println!("{uuid}"),
                     Err(message) => eprintln!("{}", message.red()),
                 },
+                "logdebug" => {
+                    if let Err(e) = node.log_debug_info() {
+                        println!("{}", e.to_string().red());
+                    }
+                }
                 "foreground" => {
                     node.foreground();
                 }
@@ -205,6 +210,7 @@ fn setup_editor(history_path: &Path) -> Editor<CommandHinter, DefaultHistory> {
         "paymentuuid <payment hash>",
         "paymentuuid",
     ));
+    hints.insert(CommandHint::new("logdebug", "logdebug"));
     hints.insert(CommandHint::new("foreground", "foreground"));
     hints.insert(CommandHint::new("background", "background"));
     hints.insert(CommandHint::new("stop", "stop"));
@@ -240,6 +246,8 @@ fn help() {
     println!("  listpayments");
     println!("  paymentuuid <payment hash>");
     println!();
+    println!("  logdebug");
+    println!();
     println!("  foreground");
     println!("  background");
     println!();

src/lib.rs

@@ -62,7 +62,7 @@ use email_address::EmailAddress;
 use honey_badger::secrets::{generate_keypair, KeyPair};
 use honey_badger::{Auth, AuthLevel, CustomTermsAndConditions};
 use iban::Iban;
-use log::trace;
+use log::{info, trace};
 use logger::init_logger_once;
 use num_enum::TryFromPrimitive;
 use perro::Error::RuntimeError;
@@ -828,6 +828,31 @@ impl LightningNode {
             .store_payment_info(hash, user_preferences, exchange_rates, offer)
             .map_to_permanent_failure("Failed to persist payment info")
     }
+
+    pub fn log_debug_info(&self) -> Result<()> {
+        let peers = self
+            .rt
+            .handle()
+            .block_on(self.sdk.execute_dev_command("listpeers".to_string()))
+            .map_to_runtime_error(
+                RuntimeErrorCode::NodeUnavailable,
+                "Couldn't execute `listpeers` command",
+            )?;
+
+        let peer_channels = self
+            .rt
+            .handle()
+            .block_on(self.sdk.execute_dev_command("listpeerchannels".to_string()))
+            .map_to_runtime_error(
+                RuntimeErrorCode::NodeUnavailable,
+                "Couldn't execute `listpeerchannels` command",
+            )?;
+
+        info!("List of peers:\n{}", peers);
+        info!("List of peer channels:\n{}", peer_channels);
+
+        Ok(())
+    }
 }
 
 fn to_offer(topup_info: TopupInfo, current_rate: &Option<ExchangeRate>) -> OfferInfo {

src/lipalightninglib.udl

@@ -163,6 +163,12 @@ interface LightningNode {
     // The payment hash must be in the hex representation.
     [Throws=LnError]
     string get_payment_uuid(string payment_hash);
+
+    // Prints additional debug information to the logs.
+    //
+    // Throws an error in case that the necessary information can't be received.
+    [Throws=LnError]
+    void log_debug_info();
 };
 
 // An object that holds all configuration needed to start a LightningNode instance.