feat(torii-indexer): parallelize models & event messages

crates/torii/indexer/src/engine.rs

@@ -207,6 +207,9 @@ pub struct ParallelizedEvent {
     pub event: Event,
 }
 
+type TaskPriority = usize;
+type TaskId = u64;
+
 #[allow(missing_debug_implementations)]
 pub struct Engine<P: Provider + Send + Sync + std::fmt::Debug + 'static> {
     world: Arc<WorldContractReader<P>>,
@@ -216,7 +219,7 @@ pub struct Engine<P: Provider + Send + Sync + std::fmt::Debug + 'static> {
     config: EngineConfig,
     shutdown_tx: Sender<()>,
     block_tx: Option<BoundedSender<u64>>,
-    tasks: HashMap<u64, Vec<(ContractType, ParallelizedEvent)>>,
+    tasks: BTreeMap<TaskPriority, HashMap<TaskId, Vec<(ContractType, ParallelizedEvent)>>>,
     contracts: Arc<HashMap<Felt, ContractType>>,
 }
 
@@ -250,7 +253,7 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
             shutdown_tx,
             block_tx,
             contracts,
-            tasks: HashMap::new(),
+            tasks: BTreeMap::new(),
         }
     }
 
@@ -596,44 +599,71 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
     }
 
     async fn process_tasks(&mut self) -> Result<()> {
-        // We use a semaphore to limit the number of concurrent tasks
         let semaphore = Arc::new(Semaphore::new(self.config.max_concurrent_tasks));
-
-        // Run all tasks concurrently
-        let mut handles = Vec::new();
-        for (task_id, events) in self.tasks.drain() {
-            let db = self.db.clone();
-            let world = self.world.clone();
-            let semaphore = semaphore.clone();
-            let processors = self.processors.clone();
-
-            let event_processor_config = self.config.event_processor_config.clone();
-            handles.push(tokio::spawn(async move {
-                let _permit = semaphore.acquire().await?;
-                let mut local_db = db.clone();
-                for (contract_type, ParallelizedEvent { event_id, event, block_number, block_timestamp }) in events {
-                    let contract_processors = processors.get_event_processor(contract_type);
-                    if let Some(processors) = contract_processors.get(&event.keys[0]) {
-
-                        let processor = processors.iter().find(|p| p.validate(&event)).expect("Must find atleast one processor for the event");
-
-                        debug!(target: LOG_TARGET, event_name = processor.event_key(), task_id = %task_id, "Processing parallelized event.");
-
-                        if let Err(e) = processor
-                            .process(&world, &mut local_db, block_number, block_timestamp, &event_id, &event, &event_processor_config)
-                            .await
-                        {
-                            error!(target: LOG_TARGET, event_name = processor.event_key(), error = %e, task_id = %task_id, "Processing parallelized event.");
+
+        // Process each priority level sequentially
+        for (priority, task_group) in std::mem::take(&mut self.tasks) {
+            let mut handles = Vec::new();
+
+            // Process all tasks within this priority level concurrently
+            for (task_id, events) in task_group {
+                let db = self.db.clone();
+                let world = self.world.clone();
+                let semaphore = semaphore.clone();
+                let processors = self.processors.clone();
+                let event_processor_config = self.config.event_processor_config.clone();
+
+                handles.push(tokio::spawn(async move {
+                    let _permit = semaphore.acquire().await?;
+                    let mut local_db = db.clone();
+
+                    // Process all events for this task sequentially
+                    for (contract_type, event) in events {
+                        let contract_processors = processors.get_event_processor(contract_type);
+                        if let Some(processors) = contract_processors.get(&event.event.keys[0]) {
+                            let processor = processors.iter()
+                                .find(|p| p.validate(&event.event))
+                                .expect("Must find at least one processor for the event");
+
+                            debug!(
+                                target: LOG_TARGET,
+                                event_name = processor.event_key(),
+                                task_id = %task_id,
+                                priority = %priority,
+                                "Processing parallelized event."
+                            );
+
+                            if let Err(e) = processor
+                                .process(
+                                    &world,
+                                    &mut local_db,
+                                    event.block_number,
+                                    event.block_timestamp,
+                                    &event.event_id,
+                                    &event.event,
+                                    &event_processor_config,
+                                )
+                                .await
+                            {
+                                error!(
+                                    target: LOG_TARGET,
+                                    event_name = processor.event_key(),
+                                    error = %e,
+                                    task_id = %task_id,
+                                    priority = %priority,
+                                    "Processing parallelized event."
+                                );
+                            }
                         }
                     }
-                }
 
-                Ok::<_, anyhow::Error>(())
-            }));
-        }
+                    Ok::<_, anyhow::Error>(())
+                }));
+            }
 
-        // Join all tasks
-        try_join_all(handles).await?;
+            // Wait for all tasks in this priority level to complete before moving to next priority
+            try_join_all(handles).await?;
+        }
 
         Ok(())
     }
@@ -856,30 +886,40 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
             .find(|p| p.validate(event))
             .expect("Must find atleast one processor for the event");
 
-        let task_identifier = match processor.event_key().as_str() {
+        let (task_priority, task_identifier) = match processor.event_key().as_str() {
+            "ModelRegistered" | "EventRegistered" => {
+                let mut hasher = DefaultHasher::new();
+                event.keys.iter().for_each(|k| k.hash(&mut hasher));
+                let hash = hasher.finish();
+                (0usize, hash) // Priority 0 (highest) for model/event registration
+            }
             "StoreSetRecord" | "StoreUpdateRecord" | "StoreUpdateMember" | "StoreDelRecord" => {
                 let mut hasher = DefaultHasher::new();
-                // model selector
                 event.keys[1].hash(&mut hasher);
-                // entity id
                 event.keys[2].hash(&mut hasher);
-                hasher.finish()
+                let hash = hasher.finish();
+                (2usize, hash) // Priority 2 (lower) for store operations
             }
-            _ => 0,
+            _ => (0, 0) // No parallelization for other events
         };
 
-        // if we have a task identifier, we queue the event to be parallelized
         if task_identifier != 0 {
-            self.tasks.entry(task_identifier).or_default().push((
-                contract_type,
-                ParallelizedEvent {
-                    event_id: event_id.to_string(),
-                    event: event.clone(),
-                    block_number,
-                    block_timestamp,
-                },
-            ));
+            self.tasks
+                .entry(task_priority)
+                .or_default()
+                .entry(task_identifier)
+                .or_default()
+                .push((
+                    contract_type,
+                    ParallelizedEvent {
+                        event_id: event_id.to_string(),
+                        event: event.clone(),
+                        block_number,
+                        block_timestamp,
+                    },
+                ));
         } else {
+            // Process non-parallelized events immediately
             // if we dont have a task identifier, we process the event immediately
             if processor.validate(event) {
                 if let Err(e) = processor

crates/torii/indexer/src/processors/store_del_record.rs

@@ -35,7 +35,7 @@ where
         block_timestamp: u64,
         event_id: &str,
         event: &Event,
-        _config: &EventProcessorConfig,
+        config: &EventProcessorConfig,
     ) -> Result<(), Error> {
         // Torii version is coupled to the world version, so we can expect the event to be well
         // formed.
@@ -55,15 +55,21 @@ where
         // This can happen if only specific namespaces are indexed.
         let model = match db.model(event.selector).await {
             Ok(m) => m,
-            Err(e) if e.to_string().contains("no rows") => {
+            Err(e) if e.to_string().contains("no rows") && !config.namespaces.is_empty() => {
                 debug!(
                     target: LOG_TARGET,
                     selector = %event.selector,
                     "Model does not exist, skipping."
                 );
                 return Ok(());
             }
-            Err(e) => return Err(e),
+            Err(e) => {
+                return Err(anyhow::anyhow!(
+                    "Failed to retrieve model with selector {:#x}: {}",
+                    event.selector,
+                    e
+                ))
+            }
         };
 
         info!(

crates/torii/indexer/src/processors/store_set_record.rs

@@ -36,7 +36,7 @@ where
         block_timestamp: u64,
         event_id: &str,
         event: &Event,
-        _config: &EventProcessorConfig,
+        config: &EventProcessorConfig,
     ) -> Result<(), Error> {
         // Torii version is coupled to the world version, so we can expect the event to be well
         // formed.
@@ -56,15 +56,21 @@ where
         // This can happen if only specific namespaces are indexed.
         let model = match db.model(event.selector).await {
             Ok(m) => m,
-            Err(e) if e.to_string().contains("no rows") => {
+            Err(e) if e.to_string().contains("no rows") && !config.namespaces.is_empty() => {
                 debug!(
                     target: LOG_TARGET,
                     selector = %event.selector,
                     "Model does not exist, skipping."
                 );
                 return Ok(());
             }
-            Err(e) => return Err(e),
+            Err(e) => {
+                return Err(anyhow::anyhow!(
+                    "Failed to retrieve model with selector {:#x}: {}",
+                    event.selector,
+                    e
+                ))
+            }
         };
 
         info!(

crates/torii/indexer/src/processors/store_update_member.rs

@@ -7,7 +7,7 @@ use starknet::core::types::Event;
 use starknet::core::utils::get_selector_from_name;
 use starknet::providers::Provider;
 use torii_sqlite::Sql;
-use tracing::info;
+use tracing::{debug, info};
 
 use super::{EventProcessor, EventProcessorConfig};
 
@@ -37,7 +37,7 @@ where
         block_timestamp: u64,
         event_id: &str,
         event: &Event,
-        _config: &EventProcessorConfig,
+        config: &EventProcessorConfig,
     ) -> Result<(), Error> {
         // Torii version is coupled to the world version, so we can expect the event to be well
         // formed.
@@ -61,11 +61,20 @@ where
         // This can happen if only specific namespaces are indexed.
         let model = match db.model(model_selector).await {
             Ok(m) => m,
+            Err(e) if e.to_string().contains("no rows") && !config.namespaces.is_empty() => {
+                debug!(
+                    target: LOG_TARGET,
+                    selector = %model_selector,
+                    "Model does not exist, skipping."
+                );
+                return Ok(());
+            }
             Err(e) => {
-                if e.to_string().contains("no rows") {
-                    return Ok(());
-                }
-                return Err(e);
+                return Err(anyhow::anyhow!(
+                    "Failed to retrieve model with selector {:#x}: {}",
+                    event.selector,
+                    e
+                ))
             }
         };
 

crates/torii/indexer/src/processors/store_update_record.rs

@@ -36,7 +36,7 @@ where
         block_timestamp: u64,
         event_id: &str,
         event: &Event,
-        _config: &EventProcessorConfig,
+        config: &EventProcessorConfig,
     ) -> Result<(), Error> {
         // Torii version is coupled to the world version, so we can expect the event to be well
         // formed.
@@ -59,15 +59,21 @@ where
         // This can happen if only specific namespaces are indexed.
         let model = match db.model(event.selector).await {
             Ok(m) => m,
-            Err(e) if e.to_string().contains("no rows") => {
+            Err(e) if e.to_string().contains("no rows") && !config.namespaces.is_empty() => {
                 debug!(
                     target: LOG_TARGET,
                     selector = %event.selector,
                     "Model does not exist, skipping."
                 );
                 return Ok(());
             }
-            Err(e) => return Err(e),
+            Err(e) => {
+                return Err(anyhow::anyhow!(
+                    "Failed to retrieve model with selector {:#x}: {}",
+                    event.selector,
+                    e
+                ))
+            }
         };
 
         info!(