feat: add tps metric to contracts table

crates/torii/core/src/engine.rs

@@ -158,7 +158,7 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
         // use the start block provided by user if head is 0
         let (head, _, _) = self.db.head().await?;
         if head == 0 {
-            self.db.set_head(self.config.start_block)?;
+            self.db.set_head(self.config.start_block, 0, 0, self.world.address).await?;
         } else if self.config.start_block != 0 {
             warn!(target: LOG_TARGET, "Start block ignored, stored head exists and will be used instead.");
         }
@@ -389,6 +389,7 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
 
         let timestamp = data.pending_block.timestamp;
 
+        let mut world_txns_count = 0;
         for t in data.pending_block.transactions {
             let transaction_hash = t.transaction.transaction_hash();
             if let Some(tx) = last_pending_block_tx_cursor {
@@ -409,7 +410,14 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
                             // provider. So we can fail silently and try
                             // again in the next iteration.
                             warn!(target: LOG_TARGET, transaction_hash = %format!("{:#x}", transaction_hash), "Retrieving pending transaction receipt.");
-                            self.db.set_head(data.block_number - 1)?;
+                            self.db
+                                .set_head(
+                                    data.block_number - 1,
+                                    timestamp,
+                                    world_txns_count,
+                                    self.world.address,
+                                )
+                                .await?;
                             if let Some(tx) = last_pending_block_tx {
                                 self.db.set_last_pending_block_tx(Some(tx))?;
                             }
@@ -430,6 +438,7 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
                     }
                 }
                 Ok(true) => {
+                    world_txns_count += 1;
                     last_pending_block_world_tx = Some(*transaction_hash);
                     last_pending_block_tx = Some(*transaction_hash);
                     info!(target: LOG_TARGET, transaction_hash = %format!("{:#x}", transaction_hash), "Processed pending world transaction.");
@@ -446,7 +455,9 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
 
         // Set the head to the last processed pending transaction
         // Head block number should still be latest block number
-        self.db.set_head(data.block_number - 1)?;
+        self.db
+            .set_head(data.block_number - 1, timestamp, world_txns_count, self.world.address)
+            .await?;
 
         if let Some(tx) = last_pending_block_tx {
             self.db.set_last_pending_block_tx(Some(tx))?;
@@ -466,6 +477,7 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
     pub async fn process_range(&mut self, data: FetchRangeResult) -> Result<EngineHead> {
         // Process all transactions
         let mut last_block = 0;
+        let transactions_count = data.transactions.len();
         for ((block_number, transaction_hash), events) in data.transactions {
             debug!("Processing transaction hash: {:#x}", transaction_hash);
             // Process transaction
@@ -498,7 +510,15 @@ impl<P: Provider + Send + Sync + std::fmt::Debug + 'static> Engine<P> {
         // Process parallelized events
         self.process_tasks().await?;
 
-        self.db.set_head(data.latest_block_number)?;
+        let last_block_timestamp = self.get_block_timestamp(data.latest_block_number).await?;
+        self.db
+            .set_head(
+                data.latest_block_number,
+                last_block_timestamp,
+                transactions_count as u64,
+                self.world.address,
+            )
+            .await?;
         self.db.set_last_pending_block_world_tx(None)?;
         self.db.set_last_pending_block_tx(None)?;
 

crates/torii/core/src/executor.rs

@@ -15,7 +15,7 @@ use tracing::{debug, error};
 use crate::simple_broker::SimpleBroker;
 use crate::types::{
     Entity as EntityUpdated, Event as EventEmitted, EventMessage as EventMessageUpdated,
-    Model as ModelRegistered,
+    IndexerUpdate, Model as ModelRegistered,
 };
 
 pub(crate) const LOG_TARGET: &str = "torii_core::executor";
@@ -31,6 +31,7 @@ pub enum Argument {
 
 #[derive(Debug, Clone)]
 pub enum BrokerMessage {
+    SetHead(IndexerUpdate),
     ModelRegistered(ModelRegistered),
     EntityUpdated(EntityUpdated),
     EventMessageUpdated(EventMessageUpdated),
@@ -45,8 +46,17 @@ pub struct DeleteEntityQuery {
     pub ty: Ty,
 }
 
+#[derive(Debug, Clone)]
+pub struct SetHeadQuery {
+    pub head: u64,
+    pub last_block_timestamp: u64,
+    pub txns_count: u64,
+    pub contract_address: Felt,
+}
+
 #[derive(Debug, Clone)]
 pub enum QueryType {
+    SetHead(SetHeadQuery),
     SetEntity(Ty),
     DeleteEntity(DeleteEntityQuery),
     EventMessage(Ty),
@@ -178,6 +188,33 @@ impl<'c> Executor<'c> {
         let tx = &mut self.transaction;
 
         match query_type {
+            QueryType::SetHead(set_head) => {
+                let previous_block_timestamp: u64 = sqlx::query_scalar::<_, i64>(
+                    "SELECT last_block_timestamp FROM contracts WHERE id = ?",
+                )
+                .bind(format!("{:#x}", set_head.contract_address))
+                .fetch_one(&mut **tx)
+                .await?
+                .try_into()
+                .map_err(|_| anyhow::anyhow!("Last block timestamp doesn't fit in u64"))?;
+
+                let tps: u64 = if set_head.last_block_timestamp - previous_block_timestamp != 0 {
+                    set_head.txns_count / (set_head.last_block_timestamp - previous_block_timestamp)
+                } else {
+                    set_head.txns_count
+                };
+
+                query.execute(&mut **tx).await.with_context(|| {
+                    format!("Failed to execute query: {:?}, args: {:?}", statement, arguments)
+                })?;
+
+                self.publish_queue.push(BrokerMessage::SetHead(IndexerUpdate {
+                    head: set_head.head,
+                    tps,
+                    last_block_timestamp: set_head.last_block_timestamp,
+                    contract_address: set_head.contract_address,
+                }));
+            }
             QueryType::SetEntity(entity) => {
                 let row = query.fetch_one(&mut **tx).await.with_context(|| {
                     format!("Failed to execute query: {:?}, args: {:?}", statement, arguments)
@@ -289,6 +326,7 @@ impl<'c> Executor<'c> {
 
 fn send_broker_message(message: BrokerMessage) {
     match message {
+        BrokerMessage::SetHead(update) => SimpleBroker::publish(update),
         BrokerMessage::ModelRegistered(model) => SimpleBroker::publish(model),
         BrokerMessage::EntityUpdated(entity) => SimpleBroker::publish(entity),
         BrokerMessage::EventMessageUpdated(event) => SimpleBroker::publish(event),

crates/torii/core/src/sql.rs

@@ -15,7 +15,7 @@ use starknet_crypto::poseidon_hash_many;
 use tokio::sync::mpsc::UnboundedSender;
 
 use crate::cache::{Model, ModelCache};
-use crate::executor::{Argument, DeleteEntityQuery, QueryMessage, QueryType};
+use crate::executor::{Argument, DeleteEntityQuery, QueryMessage, QueryType, SetHeadQuery};
 use crate::utils::utc_dt_string_from_timestamp;
 
 type IsEventMessage = bool;
@@ -86,17 +86,32 @@ impl Sql {
         ))
     }
 
-    pub fn set_head(&mut self, head: u64) -> Result<()> {
-        let head = Argument::Int(
+    pub async fn set_head(
+        &mut self,
+        head: u64,
+        last_block_timestamp: u64,
+        world_txns_count: u64,
+        contract_address: Felt,
+    ) -> Result<()> {
+        let head_arg = Argument::Int(
             head.try_into().map_err(|_| anyhow!("Head value {} doesn't fit in i64", head))?,
         );
+        let last_block_timestamp_arg =
+            Argument::Int(last_block_timestamp.try_into().map_err(|_| {
+                anyhow!("Last block timestamp value {} doesn't fit in i64", last_block_timestamp)
+            })?);
         let id = Argument::FieldElement(self.world_address);
-        self.executor
-            .send(QueryMessage::other(
-                "UPDATE contracts SET head = ? WHERE id = ?".to_string(),
-                vec![head, id],
-            ))
-            .map_err(|e| anyhow!("Failed to send set_head message: {}", e))?;
+
+        self.executor.send(QueryMessage::new(
+            "UPDATE contracts SET head = ?, last_block_timestamp = ? WHERE id = ?".to_string(),
+            vec![head_arg, last_block_timestamp_arg, id],
+            QueryType::SetHead(SetHeadQuery {
+                head,
+                last_block_timestamp,
+                txns_count: world_txns_count,
+                contract_address,
+            }),
+        ))?;
 
         Ok(())
     }

crates/torii/core/src/types.rs

@@ -84,3 +84,11 @@ pub struct Event {
     pub executed_at: DateTime<Utc>,
     pub created_at: DateTime<Utc>,
 }
+
+#[derive(Debug, Clone)]
+pub struct IndexerUpdate {
+    pub head: u64,
+    pub tps: u64,
+    pub last_block_timestamp: u64,
+    pub contract_address: Felt,
+}

crates/torii/grpc/proto/world.proto

@@ -7,8 +7,11 @@ import "google/protobuf/empty.proto";
 
 // The World service provides information about the world.
 service World {
+    // Subscribes to updates about the indexer. Like the head block number, tps, etc.
+    rpc SubscribeIndexer (SubscribeIndexerRequest) returns (stream SubscribeIndexerResponse);
+
     // Retrieves metadata about the World including all the registered components and systems.
-    rpc WorldMetadata (MetadataRequest) returns (MetadataResponse);
+    rpc WorldMetadata (WorldMetadataRequest) returns (WorldMetadataResponse);
 
     // Subscribes to models updates.
     rpc SubscribeModels (SubscribeModelsRequest) returns (stream SubscribeModelsResponse);
@@ -38,14 +41,26 @@ service World {
     rpc SubscribeEvents (SubscribeEventsRequest) returns (stream SubscribeEventsResponse);
 }
 
+// A request to subscribe to indexer updates.
+message SubscribeIndexerRequest {
+    bytes contract_address = 1;
+}
+
+// A response containing indexer updates.
+message SubscribeIndexerResponse {
+    uint64 head = 1;
+    uint64 tps = 2;
+    uint64 last_block_timestamp = 3;
+    bytes contract_address = 4;
+}
 
 // A request to retrieve metadata for a specific world ID.
-message MetadataRequest {
+message WorldMetadataRequest {
 
 }
 
 // The metadata response contains addresses and class hashes for the world.
-message MetadataResponse {
+message WorldMetadataResponse {
    types.WorldMetadata metadata = 1;
 }
 

crates/torii/grpc/src/client.rs

@@ -8,13 +8,16 @@ use starknet::core::types::{Felt, FromStrError, StateDiff, StateUpdate};
 use tonic::transport::Endpoint;
 
 use crate::proto::world::{
-    world_client, MetadataRequest, RetrieveEntitiesRequest, RetrieveEntitiesResponse,
-    RetrieveEventsRequest, RetrieveEventsResponse, SubscribeEntitiesRequest,
-    SubscribeEntityResponse, SubscribeEventsRequest, SubscribeEventsResponse,
-    SubscribeModelsRequest, SubscribeModelsResponse, UpdateEntitiesSubscriptionRequest,
+    world_client, RetrieveEntitiesRequest, RetrieveEntitiesResponse, RetrieveEventsRequest,
+    RetrieveEventsResponse, SubscribeEntitiesRequest, SubscribeEntityResponse,
+    SubscribeEventsRequest, SubscribeEventsResponse, SubscribeIndexerRequest,
+    SubscribeIndexerResponse, SubscribeModelsRequest, SubscribeModelsResponse,
+    UpdateEntitiesSubscriptionRequest, WorldMetadataRequest,
 };
 use crate::types::schema::{Entity, SchemaError};
-use crate::types::{EntityKeysClause, Event, EventQuery, KeysClause, ModelKeysClause, Query};
+use crate::types::{
+    EntityKeysClause, Event, EventQuery, IndexerUpdate, KeysClause, ModelKeysClause, Query,
+};
 
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
@@ -68,7 +71,7 @@ impl WorldClient {
     /// Retrieve the metadata of the World.
     pub async fn metadata(&mut self) -> Result<dojo_types::WorldMetadata, Error> {
         self.inner
-            .world_metadata(MetadataRequest {})
+            .world_metadata(WorldMetadataRequest {})
             .await
             .map_err(Error::Grpc)
             .and_then(|res| {
@@ -107,6 +110,22 @@ impl WorldClient {
         self.inner.retrieve_events(request).await.map_err(Error::Grpc).map(|res| res.into_inner())
     }
 
+    /// Subscribe to indexer updates.
+    pub async fn subscribe_indexer(
+        &mut self,
+        contract_address: Felt,
+    ) -> Result<IndexerUpdateStreaming, Error> {
+        let request =
+            SubscribeIndexerRequest { contract_address: contract_address.to_bytes_be().to_vec() };
+        let stream = self
+            .inner
+            .subscribe_indexer(request)
+            .await
+            .map_err(Error::Grpc)
+            .map(|res| res.into_inner())?;
+        Ok(IndexerUpdateStreaming(stream.map_ok(Box::new(|res| res.into()))))
+    }
+
     /// Subscribe to entities updates of a World.
     pub async fn subscribe_entities(
         &mut self,
@@ -282,6 +301,24 @@ impl Stream for EventUpdateStreaming {
     }
 }
 
+type IndexerMappedStream = MapOk<
+    tonic::Streaming<SubscribeIndexerResponse>,
+    Box<dyn Fn(SubscribeIndexerResponse) -> IndexerUpdate + Send>,
+>;
+
+#[derive(Debug)]
+pub struct IndexerUpdateStreaming(IndexerMappedStream);
+
+impl Stream for IndexerUpdateStreaming {
+    type Item = <IndexerMappedStream as Stream>::Item;
+    fn poll_next(
+        mut self: std::pin::Pin<&mut Self>,
+        cx: &mut std::task::Context<'_>,
+    ) -> std::task::Poll<Option<Self::Item>> {
+        self.0.poll_next_unpin(cx)
+    }
+}
+
 fn empty_state_update() -> StateUpdate {
     StateUpdate {
         block_hash: Felt::ZERO,