backup commit

core/archipelago/src/api/rpc/lnd.rs

@@ -1,5 +1,6 @@
 use super::RpcHandler;
 use anyhow::{Context, Result};
+use base64::Engine;
 use serde::{Deserialize, Serialize};
 use tracing::info;
 
@@ -797,6 +798,50 @@ impl RpcHandler {
             "incoming_pending_count": incoming_pending,
         }))
     }
+
+    /// Return LND connection info: base64url-encoded TLS cert and admin macaroon
+    /// for building lndconnect:// URIs in the frontend.
+    pub(crate) async fn handle_lnd_connect_info(&self) -> Result<serde_json::Value> {
+        let cert_path = "/var/lib/archipelago/lnd/tls.cert";
+        let macaroon_path =
+            "/var/lib/archipelago/lnd/data/chain/bitcoin/mainnet/admin.macaroon";
+
+        // Read and encode TLS cert (PEM → DER → base64url)
+        let cert_pem = tokio::fs::read_to_string(cert_path)
+            .await
+            .context("Failed to read LND TLS certificate")?;
+        let cert_der_b64: String = cert_pem
+            .lines()
+            .filter(|l| !l.starts_with("-----"))
+            .collect();
+        let cert_der = base64::engine::general_purpose::STANDARD
+            .decode(&cert_der_b64)
+            .context("Failed to decode PEM base64")?;
+        let cert_b64url = base64::engine::general_purpose::URL_SAFE_NO_PAD.encode(&cert_der);
+
+        // Read and encode macaroon (binary → base64url)
+        let macaroon_bytes = tokio::fs::read(macaroon_path)
+            .await
+            .context("Failed to read LND admin macaroon")?;
+        let macaroon_b64url =
+            base64::engine::general_purpose::URL_SAFE_NO_PAD.encode(&macaroon_bytes);
+
+        // Read Tor onion address if available
+        let tor_onion = tokio::fs::read_to_string(
+            "/var/lib/archipelago/tor/hidden_service_lnd/hostname",
+        )
+        .await
+        .ok()
+        .map(|s| s.trim().to_string());
+
+        Ok(serde_json::json!({
+            "cert_base64url": cert_b64url,
+            "macaroon_base64url": macaroon_b64url,
+            "tor_onion": tor_onion,
+            "rest_port": 8080,
+            "grpc_port": 10009,
+        }))
+    }
 }
 
 // Channel types