Add node ip and node start time to node info

Signed-off-by: Lee Smet <lee.smet@hotmail.com>

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add a node ip and node start time field to the node info struct.
+
 ## [0.7.7] - 2026-05-06
 
 ### Added

docs/api.yaml

@@ -733,6 +733,10 @@ components:
           description: The subnet owned by the node and advertised to peers
           type: string
           example: 54f:b680:ba6e:7ced::/64
+        nodeIp:
+          description: The full overlay IP of the node, derived from its public key
+          type: string
+          example: 54f:b680:ba6e:7ced:abcd:1234:5678:9abc
         nodePubkey:
           description: The public key of the node
           type: string
@@ -740,6 +744,11 @@ components:
           minLength: 64
           maxLength: 64
           example: 02468ace13579bdf02468ace13579bdf02468ace13579bdf02468ace13579bdf
+        nodeStartTime:
+          description: The time the node started, as seconds since the Unix epoch
+          type: integer
+          format: int64
+          example: 1716100000
 
     PacketStatEntry:
       description: Statistics for packets routed for a single IP address

docs/openrpc.json

@@ -871,6 +871,11 @@
             "type": "string",
             "example": "54f:b680:ba6e:7ced::/64"
           },
+          "nodeIp": {
+            "description": "The full overlay IP of the node, derived from its public key",
+            "type": "string",
+            "example": "54f:b680:ba6e:7ced:abcd:1234:5678:9abc"
+          },
           "nodePubkey": {
             "description": "The public key of the node",
             "type": "string",
@@ -878,6 +883,12 @@
             "minLength": 64,
             "maxLength": 64,
             "example": "02468ace13579bdf02468ace13579bdf02468ace13579bdf02468ace13579bdf"
+          },
+          "nodeStartTime": {
+            "description": "The time the node started, as seconds since the Unix epoch",
+            "type": "integer",
+            "format": "int64",
+            "example": 1716100000
           }
         }
       },

mycelium-api/src/lib.rs

@@ -404,8 +404,12 @@ where
 pub struct Info {
     /// The overlay subnet in use by the node.
     pub node_subnet: String,
+    /// The full overlay IP of the node.
+    pub node_ip: String,
     /// The public key of the node
     pub node_pubkey: PublicKey,
+    /// Node start time, as seconds since the Unix epoch.
+    pub node_start_time: u64,
 }
 
 /// Get general info about the node.
@@ -416,7 +420,9 @@ where
     let info = state.node.lock().await.info();
     Json(Info {
         node_subnet: info.node_subnet.to_string(),
+        node_ip: info.node_ip.to_string(),
         node_pubkey: info.node_pubkey,
+        node_start_time: info.node_start_time,
     })
 }
 

mycelium-api/src/rpc.rs

@@ -169,7 +169,9 @@ where
         let node_info = self.state.node.lock().await.info();
         Ok(Info {
             node_subnet: node_info.node_subnet.to_string(),
+            node_ip: node_info.node_ip.to_string(),
             node_pubkey: node_info.node_pubkey,
+            node_start_time: node_info.node_start_time,
         })
     }
 

mycelium/src/ffi/exports.rs

@@ -320,7 +320,9 @@ pub unsafe extern "C" fn mycelium_get_node_info(
             let info = h.node().lock().await.info();
             *out = mycelium_node_info_t {
                 subnet: cstring(info.node_subnet.to_string()),
+                ip: cstring(info.node_ip.to_string()),
                 pubkey: cstring(info.node_pubkey.to_string()),
+                start_time: info.node_start_time,
             };
             MYCELIUM_OK
         })

mycelium/src/ffi/types.rs

@@ -70,7 +70,11 @@ pub struct mycelium_secret_key_t {
 #[repr(C)]
 pub struct mycelium_node_info_t {
     pub subnet: *mut c_char,
+    /// The full overlay IP of the node, derived from its public key.
+    pub ip: *mut c_char,
     pub pubkey: *mut c_char,
+    /// Node start time, as seconds since the Unix epoch.
+    pub start_time: u64,
 }
 
 /// Information about a known peer connection.
@@ -238,8 +242,8 @@ pub unsafe extern "C" fn mycelium_string_array_free(arr: *mut mycelium_string_ar
 }
 
 /// Free a `mycelium_node_info_t` populated by `mycelium_get_node_info`.
-/// Releases the inner `subnet` and `pubkey` strings and resets them to
-/// NULL.
+/// Releases the inner `subnet`, `ip` and `pubkey` strings and resets them
+/// to NULL.
 ///
 /// # Safety
 ///
@@ -253,8 +257,10 @@ pub unsafe extern "C" fn mycelium_node_info_free(info: *mut mycelium_node_info_t
     }
     let info = &mut *info;
     free_cstring(info.subnet);
+    free_cstring(info.ip);
     free_cstring(info.pubkey);
     info.subnet = std::ptr::null_mut();
+    info.ip = std::ptr::null_mut();
     info.pubkey = std::ptr::null_mut();
 }
 

mycelium/src/lib.rs

@@ -133,14 +133,20 @@ pub struct Node<M> {
     proxy: Proxy<M>,
     #[cfg(feature = "message")]
     message_stack: message::MessageStack<M>,
+    /// The moment this node was created, used to report uptime/start time.
+    started: std::time::SystemTime,
 }
 
 /// General info about a node.
 pub struct NodeInfo {
     /// The overlay subnet in use by the node.
     pub node_subnet: Subnet,
+    /// The full overlay IP of the node (derived from the public key).
+    pub node_ip: std::net::IpAddr,
     /// The public key of the node
     pub node_pubkey: crypto::PublicKey,
+    /// Node start time, as seconds since the Unix epoch.
+    pub node_start_time: u64,
 }
 
 impl<M> Node<M>
@@ -149,6 +155,7 @@ where
 {
     /// Setup a new `Node` with the provided [`Config`].
     pub async fn new(config: Config<M>) -> Result<Self, Box<dyn std::error::Error>> {
+        let started = std::time::SystemTime::now();
         // If a private network is configured, validate network name
         if let Some((net_name, _)) = &config.private_network_config {
             if net_name.len() < 2 || net_name.len() > 64 {
@@ -334,6 +341,7 @@ where
             proxy,
             #[cfg(feature = "message")]
             message_stack: ms,
+            started,
         })
     }
 
@@ -341,7 +349,13 @@ where
     pub fn info(&self) -> NodeInfo {
         NodeInfo {
             node_subnet: self.router.node_tun_subnet(),
+            node_ip: self.router.node_public_key().address().into(),
             node_pubkey: self.router.node_public_key(),
+            node_start_time: self
+                .started
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_secs())
+                .unwrap_or(0),
         }
     }