feat: skipped l1 messages

crates/chain-orchestrator/src/lib.rs

@@ -426,6 +426,7 @@ impl<
         let batch_info = batch.batch_info;
         tracing::info!(target: "scroll::chain_orchestrator", batch_info = ?batch_info, num_blocks = batch.attributes.len(), "Handling derived batch");
 
+        let skipped_l1_messages = batch.skipped_l1_messages.clone();
         let batch_reconciliation_result =
             reconcile_batch(&self.l2_client, batch, self.engine.fcs()).await?;
         let aggregated_actions = batch_reconciliation_result.aggregate_actions();
@@ -493,7 +494,9 @@ impl<
             batch_reconciliation_result.into_batch_consolidation_outcome(reorg_results).await?;
 
         // Insert the batch consolidation outcome into the database.
-        let consolidation_outcome = batch_consolidation_outcome.clone();
+        let mut consolidation_outcome = batch_consolidation_outcome.clone();
+        consolidation_outcome.with_skipped_l1_messages(skipped_l1_messages);
+
         self.database.insert_batch_consolidation_outcome(consolidation_outcome).await?;
 
         Ok(Some(ChainOrchestratorEvent::BatchConsolidated(batch_consolidation_outcome)))

crates/database/db/src/db.rs

@@ -167,10 +167,8 @@ impl DatabaseWriteOperations for Database {
         &self,
         block_number: u64,
     ) -> Result<u64, DatabaseError> {
-        self.tx_mut(
-            move |tx| async move { tx.delete_l2_blocks_gt_block_number(block_number).await },
-        )
-        .await
+        self.tx_mut(move |tx| async move { tx.delete_batches_gt_block_number(block_number).await })
+            .await
     }
 
     async fn delete_batches_gt_batch_index(&self, batch_index: u64) -> Result<u64, DatabaseError> {
@@ -186,6 +184,14 @@ impl DatabaseWriteOperations for Database {
         .await
     }
 
+    async fn update_skipped_l1_messages(&self, indexes: Vec<u64>) -> Result<(), DatabaseError> {
+        self.tx_mut(move |tx| {
+            let indexes = indexes.clone();
+            async move { tx.update_skipped_l1_messages(indexes).await }
+        })
+        .await
+    }
+
     async fn delete_l1_messages_gt(
         &self,
         l1_block_number: u64,

crates/database/db/src/models/l1_message.rs

@@ -18,6 +18,7 @@ pub struct Model {
     sender: Vec<u8>,
     input: Vec<u8>,
     pub(crate) l2_block_number: Option<i64>,
+    skipped: bool,
 }
 
 /// The relation for the L1 message model.
@@ -40,6 +41,7 @@ impl From<L1MessageEnvelope> for ActiveModel {
             sender: ActiveValue::Set(value.transaction.sender.to_vec()),
             input: ActiveValue::Set(value.transaction.input.to_vec()),
             l2_block_number: ActiveValue::Set(value.l2_block_number.map(|b| b as i64)),
+            skipped: ActiveValue::Set(false),
         }
     }
 }

crates/database/db/src/operations.rs

@@ -58,6 +58,9 @@ pub trait DatabaseWriteOperations {
     /// Insert an [`L1MessageEnvelope`] into the database.
     async fn insert_l1_message(&self, l1_message: L1MessageEnvelope) -> Result<(), DatabaseError>;
 
+    /// Sets the `skipped` column to true for the provided list of L1 messages queue indexes.
+    async fn update_skipped_l1_messages(&self, indexes: Vec<u64>) -> Result<(), DatabaseError>;
+
     /// Delete all [`L1MessageEnvelope`]s with a block number greater than the provided block
     /// number and return them.
     async fn delete_l1_messages_gt(
@@ -329,6 +332,15 @@ impl<T: WriteConnectionProvider + ?Sized + Sync> DatabaseWriteOperations for T {
         }
     }
 
+    async fn update_skipped_l1_messages(&self, indexes: Vec<u64>) -> Result<(), DatabaseError> {
+        Ok(models::l1_message::Entity::update_many()
+            .col_expr(models::l1_message::Column::Skipped, Expr::value(true))
+            .filter(models::l1_message::Column::QueueIndex.is_in(indexes.iter().map(|&x| x as i64)))
+            .exec(self.get_connection())
+            .await
+            .map(|_| ())?)
+    }
+
     async fn delete_l1_messages_gt(
         &self,
         l1_block_number: u64,
@@ -531,6 +543,7 @@ impl<T: WriteConnectionProvider + ?Sized + Sync> DatabaseWriteOperations for T {
             self.insert_block(block.block_info, outcome.batch_info).await?;
             self.update_l1_messages_with_l2_block(block).await?;
         }
+        self.update_skipped_l1_messages(outcome.skipped_l1_messages).await?;
         Ok(())
     }
 
@@ -867,9 +880,10 @@ impl<T: ReadConnectionProvider + Sync + ?Sized> DatabaseReadOperations for T {
 
                 // Create a filter condition for messages that have an L1 block number less than or
                 // equal to the finalized block number and have not been included in an L2 block
-                // (i.e. L2BlockNumber is null).
+                // (i.e. L2BlockNumber is null) nor skipped.
                 let condition = Condition::all()
                     .add(models::l1_message::Column::L1BlockNumber.lte(target_block_number as i64))
+                    .add(models::l1_message::Column::Skipped.eq(false))
                     .add(models::l1_message::Column::L2BlockNumber.is_null());
                 // Yield n messages matching the condition ordered by increasing queue index.
                 Ok(models::l1_message::Entity::find()
@@ -899,9 +913,10 @@ impl<T: ReadConnectionProvider + Sync + ?Sized> DatabaseReadOperations for T {
                     };
                 // Create a filter condition for messages that have an L1 block number less than
                 // or equal to the target block number and have not been included in an L2 block
-                // (i.e. L2BlockNumber is null).
+                // (i.e. L2BlockNumber is null) nor skipped.
                 let condition = Condition::all()
                     .add(models::l1_message::Column::L1BlockNumber.lte(target_block_number as i64))
+                    .add(models::l1_message::Column::Skipped.eq(false))
                     .add(models::l1_message::Column::L2BlockNumber.is_null());
                 // Yield n messages matching the condition ordered by increasing queue index.
                 Ok(models::l1_message::Entity::find()

crates/database/migration/src/lib.rs

@@ -15,6 +15,7 @@ mod m20250929_161536_add_additional_indexes;
 mod m20251001_125444_add_index_processed;
 mod m20251005_160938_add_initial_l1_block_numbers;
 mod m20251013_140946_add_initial_l1_processed_block_number;
+mod m20251021_070729_add_skipped_column;
 
 mod migration_info;
 pub use migration_info::{
@@ -42,6 +43,7 @@ impl<MI: MigrationInfo + Send + Sync + 'static> MigratorTrait for Migrator<MI> {
             Box::new(m20251001_125444_add_index_processed::Migration),
             Box::new(m20251005_160938_add_initial_l1_block_numbers::Migration),
             Box::new(m20251013_140946_add_initial_l1_processed_block_number::Migration),
+            Box::new(m20251021_070729_add_skipped_column::Migration),
         ]
     }
 }

crates/database/migration/src/m20250304_125946_add_l1_msg_table.rs

@@ -46,4 +46,5 @@ pub(crate) enum L1Message {
     Value,
     Sender,
     Input,
+    Skipped,
 }

crates/database/migration/src/m20251021_070729_add_skipped_column.rs

@@ -0,0 +1,53 @@
+use crate::m20250304_125946_add_l1_msg_table::L1Message;
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        // Add the `skipped` column to the `l1_message` table.
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(L1Message::Table)
+                    .add_column(
+                        ColumnDef::new(L1Message::Skipped).boolean().not_null().default(false),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+
+        // Add index on `skipped` for the `l1_message` table.
+        manager
+            .create_index(
+                Index::create()
+                    .name("idx_l1_message_skipped")
+                    .col(L1Message::Skipped)
+                    .table(L1Message::Table)
+                    .to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        // drop the `skipped` column on the `l1_message` table.
+        manager
+            .alter_table(
+                Table::alter().table(L1Message::Table).drop_column(L1Message::Skipped).to_owned(),
+            )
+            .await?;
+
+        // Drop index `skipped` for the `l1_message` table.
+        manager
+            .drop_index(
+                Index::drop().name("idx_l1_message_skipped").table(L1Message::Table).to_owned(),
+            )
+            .await?;
+
+        Ok(())
+    }
+}

crates/derivation-pipeline/src/lib.rs

@@ -244,6 +244,8 @@ pub struct BatchDerivationResult {
     pub attributes: Vec<DerivedAttributes>,
     /// The batch info associated with the derived attributes.
     pub batch_info: BatchInfo,
+    /// The list of skipped L1 messages indexes.
+    pub skipped_l1_messages: Vec<u64>,
 }
 
 /// The derived attributes along with the block number they correspond to.
@@ -287,8 +289,11 @@ pub async fn derive<L1P: L1Provider + Sync + Send, DB: DatabaseReadOperations>(
         iter_l1_messages_from_payload(&l1_provider, payload_data, l1_v2_message_queue_start_index)
             .await?;
 
-    let skipped_l1_messages = decoded.data.skipped_l1_message_bitmap.clone().unwrap_or_default();
-    let mut skipped_l1_messages = skipped_l1_messages.into_iter();
+    let skipped_l1_messages_bitmap =
+        decoded.data.skipped_l1_message_bitmap.clone().unwrap_or_default();
+    let mut skipped_l1_messages_bitmap = skipped_l1_messages_bitmap.into_iter();
+    let mut skipped_l1_messages = Vec::new();
+
     let blocks = decoded.data.into_l2_blocks();
     let mut attributes = Vec::with_capacity(blocks.len());
 
@@ -304,8 +309,10 @@ pub async fn derive<L1P: L1Provider + Sync + Send, DB: DatabaseReadOperations>(
         let mut txs = Vec::with_capacity(block.context.num_transactions as usize);
         for _ in 0..block.context.num_l1_messages {
             // check if the next l1 message should be skipped.
-            if matches!(skipped_l1_messages.next(), Some(bit) if bit) {
-                let _ = l1_messages_iter.next();
+            if matches!(skipped_l1_messages_bitmap.next(), Some(bit) if bit) {
+                if let Some(msg) = l1_messages_iter.next() {
+                    skipped_l1_messages.push(msg.transaction.queue_index)
+                }
                 continue;
             }
 
@@ -346,6 +353,7 @@ pub async fn derive<L1P: L1Provider + Sync + Send, DB: DatabaseReadOperations>(
     Ok(BatchDerivationResult {
         attributes,
         batch_info: BatchInfo { index: batch.index, hash: batch.hash },
+        skipped_l1_messages,
     })
 }
 

crates/primitives/src/batch.rs

@@ -60,18 +60,25 @@ pub struct BatchConsolidationOutcome {
     pub batch_info: BatchInfo,
     /// The consolidation outcomes for each block in the batch.
     pub blocks: Vec<L2BlockInfoWithL1Messages>,
+    /// The list of skipped L1 messages index.
+    pub skipped_l1_messages: Vec<u64>,
 }
 
 impl BatchConsolidationOutcome {
     /// Creates a new empty batch consolidation outcome for the given batch info.
     pub const fn new(batch_info: BatchInfo) -> Self {
-        Self { batch_info, blocks: Vec::new() }
+        Self { batch_info, blocks: Vec::new(), skipped_l1_messages: Vec::new() }
     }
 
     /// Pushes a block consolidation outcome to the batch.
     pub fn push_block(&mut self, block: L2BlockInfoWithL1Messages) {
         self.blocks.push(block);
     }
+
+    /// Adds the skipped L1 messages indexes.
+    pub fn with_skipped_l1_messages(&mut self, skipped: Vec<u64>) {
+        self.skipped_l1_messages = skipped;
+    }
 }
 
 /// The outcome of consolidating a block with the L2 chain.