feat: allow configuring daemon with extra interests

one/src/daemon.rs

@@ -1,7 +1,7 @@
 use std::{path::PathBuf, time::Duration};
 
 use crate::{
-    default_directory, handle_signals, http, http_metrics, metrics, network::Ipfs, DBOpts,
+    default_directory, handle_signals, http, http_metrics, metrics, network::Ipfs, startup, DBOpts,
     DBOptsExperimental, Info, LogOpts, Network,
 };
 use anyhow::{anyhow, bail, Result};
@@ -274,6 +274,19 @@ pub struct DaemonOpts {
         default_value = "file://./pipeline"
     )]
     object_store_url: url::Url,
+
+    /// Comma-separated list of stream IDs or model IDs to register as interests on startup.
+    /// The node will track streams implementing these models, and sync their data.
+    ///
+    /// For this to work with user-defined models, the daemon also needs to track the
+    /// metamodel: kh4q0ozorrgaq2mezktnrmdwleo1d
+    #[arg(
+        long,
+        use_value_delimiter = true,
+        value_delimiter = ',',
+        env = "CERAMIC_ONE_EXTRA_INTERESTS"
+    )]
+    extra_interests: Vec<String>,
 }
 
 fn spawn_database_optimizer(
@@ -447,6 +460,10 @@ pub async fn run(opts: DaemonOpts) -> Result<()> {
     let node_key = NodeKey::try_from_dir(opts.p2p_key_dir).await?;
     let node_id = node_key.id();
 
+    // Process initial interests if provided
+    startup::process_extra_interests(&opts.extra_interests, &interest_svc, &network, &node_id)
+        .await?;
+
     // Register metrics for all components
     let recon_metrics = MetricsHandle::register(recon::Metrics::register);
     let peer_svc_store_metrics =

one/src/lib.rs

@@ -8,6 +8,7 @@ mod metrics;
 mod migrations;
 mod network;
 mod query;
+mod startup;
 
 use anyhow::{anyhow, bail, Result};
 use ceramic_core::ssi::caip2::ChainId;

one/src/startup.rs

@@ -0,0 +1,191 @@
+//! Startup utilities for the Ceramic One daemon.
+
+use anyhow::{anyhow, Result};
+use ceramic_api::InterestService as InterestServiceTrait;
+use ceramic_core::{EventId, Interest, NodeId, StreamId};
+use ceramic_interest_svc::InterestService;
+use std::str::FromStr;
+use std::sync::Arc;
+use tracing::{debug, info, warn};
+
+/// Process initial interests by registering them with the interest service
+pub async fn process_extra_interests(
+    extra_interests: &[String],
+    interest_svc: &Arc<InterestService>,
+    network: &ceramic_core::Network,
+    node_id: &NodeId,
+) -> Result<()> {
+    if extra_interests.is_empty() {
+        return Ok(());
+    }
+
+    info!("Processing {} extra interests", extra_interests.len());
+
+    for stream_id_str in extra_interests {
+        let stream_id_str = stream_id_str.trim();
+        if stream_id_str.is_empty() {
+            continue;
+        }
+
+        // Validate that the model stream ID is parseable
+        let _stream_id = StreamId::from_str(stream_id_str)
+            .map_err(|e| anyhow!("Invalid model ID '{}': {}", stream_id_str, e))?;
+
+        // Create an interest for the "model" separator key covering the full range for this stream
+        // This follows the same pattern as the API endpoint /ceramic/interests/model/{stream_id}
+        let stream_id_bytes = multibase::decode(stream_id_str)
+            .map_err(|e| anyhow!("Failed to decode stream ID '{}': {}", stream_id_str, e))?
+            .1;
+        let start = EventId::builder()
+            .with_network(network)
+            .with_sep("model", &stream_id_bytes)
+            .with_min_controller()
+            .with_min_init()
+            .with_min_event()
+            .build_fencepost();
+        let stop = EventId::builder()
+            .with_network(network)
+            .with_sep("model", &stream_id_bytes)
+            .with_max_controller()
+            .with_max_init()
+            .with_max_event()
+            .build_fencepost();
+
+        let interest = Interest::builder()
+            .with_sep_key("model")
+            .with_peer_id(&node_id.peer_id())
+            .with_range((start.as_slice(), stop.as_slice()))
+            .with_not_after(0)
+            .build();
+
+        match interest_svc.insert(interest).await {
+            Ok(was_inserted) => {
+                if was_inserted {
+                    info!(
+                        "Successfully registered extra interest for model: {}",
+                        stream_id_str
+                    );
+                } else {
+                    debug!(
+                        "Interest for model {} was already registered",
+                        stream_id_str
+                    );
+                }
+            }
+            Err(e) => {
+                warn!(
+                    "Failed to register initial interest for model {}: {}",
+                    stream_id_str, e
+                );
+            }
+        }
+    }
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use ceramic_core::Network;
+    use ceramic_sql::sqlite::SqlitePool;
+    use recon::Store;
+    use std::sync::Arc;
+
+    #[tokio::test]
+    async fn test_process_extra_interests_empty() {
+        let pool = SqlitePool::connect_in_memory().await.unwrap();
+        let interest_svc = Arc::new(InterestService::new(pool));
+        let network = Network::InMemory;
+        let node_key = ceramic_core::NodeKey::random();
+        let node_id = node_key.id();
+
+        // Test with empty interests
+        let result = process_extra_interests(&[], &interest_svc, &network, &node_id).await;
+        assert!(result.is_ok());
+    }
+
+    #[tokio::test]
+    async fn test_process_extra_interests_invalid_stream_id() {
+        let pool = SqlitePool::connect_in_memory().await.unwrap();
+        let interest_svc = Arc::new(InterestService::new(pool));
+        let network = Network::InMemory;
+        let node_key = ceramic_core::NodeKey::random();
+        let node_id = node_key.id();
+
+        // Invalid stream ID - tests daemon-specific stream ID parsing and error handling
+        let stream_ids = vec!["invalid-stream-id".to_string()];
+
+        let result = process_extra_interests(&stream_ids, &interest_svc, &network, &node_id).await;
+        assert!(result.is_err());
+
+        // Verify the error message contains information about the invalid stream ID
+        let error_msg = result.unwrap_err().to_string();
+        assert!(error_msg.contains("invalid-stream-id"));
+    }
+
+    #[tokio::test]
+    async fn test_process_extra_interests_mixed_valid_invalid() {
+        let pool = SqlitePool::connect_in_memory().await.unwrap();
+        let interest_svc = Arc::new(InterestService::new(pool));
+        let network = Network::InMemory;
+        let node_key = ceramic_core::NodeKey::random();
+        let node_id = node_key.id();
+
+        // Mix of valid and invalid stream IDs - tests early failure behavior
+        let stream_ids = vec![
+            "k2t6wz4ylx0qr6v7dvbczbxqy7pqjb0879qx930c1e27gacg3r8sllonqt4xx9".to_string(), // Valid
+            "invalid-stream-id".to_string(),                                              // Invalid
+        ];
+
+        let result = process_extra_interests(&stream_ids, &interest_svc, &network, &node_id).await;
+        // Should fail on the first invalid ID
+        assert!(result.is_err());
+    }
+
+    #[tokio::test]
+    async fn test_process_extra_interests_whitespace_handling() {
+        let pool = SqlitePool::connect_in_memory().await.unwrap();
+        let interest_svc = Arc::new(InterestService::new(pool));
+        let network = Network::InMemory;
+        let node_key = ceramic_core::NodeKey::random();
+        let node_id = node_key.id();
+
+        // Test daemon-specific input sanitization logic
+        let stream_ids = vec![
+            "  k2t6wz4ylx0qr6v7dvbczbxqy7pqjb0879qx930c1e27gacg3r8sllonqt4xx9  ".to_string(), // Valid with whitespace
+            "".to_string(),    // Empty string
+            "   ".to_string(), // Only whitespace
+        ];
+
+        let result = process_extra_interests(&stream_ids, &interest_svc, &network, &node_id).await;
+
+        // Should succeed and handle whitespace correctly
+        assert!(result.is_ok());
+
+        let registered_interests = interest_svc.full_range().await.unwrap();
+        assert_eq!(registered_interests.count(), 1);
+    }
+
+    #[tokio::test]
+    async fn test_process_extra_interests_multibase_decoding() {
+        let pool = SqlitePool::connect_in_memory().await.unwrap();
+        let interest_svc = Arc::new(InterestService::new(pool));
+        let network = Network::InMemory;
+        let node_key = ceramic_core::NodeKey::random();
+        let node_id = node_key.id();
+
+        // Test daemon-specific multibase decoding logic
+        let stream_ids = vec![
+            "k2t6wz4ylx0qr6v7dvbczbxqy7pqjb0879qx930c1e27gacg3r8sllonqt4xx9".to_string(), // Valid multibase-encoded stream ID
+        ];
+
+        let result = process_extra_interests(&stream_ids, &interest_svc, &network, &node_id).await;
+
+        // Should succeed with proper multibase decoding
+        assert!(result.is_ok());
+
+        let registered_interests = interest_svc.full_range().await.unwrap();
+        assert_eq!(registered_interests.count(), 1);
+    }
+}