diff --git a/crates/derive/src/stages/channel_bank.rs b/crates/derive/src/stages/channel_bank.rs
index f1417f4e2..95cac8de6 100644
--- a/crates/derive/src/stages/channel_bank.rs
+++ b/crates/derive/src/stages/channel_bank.rs
@@ -8,7 +8,7 @@ use hashbrown::HashMap;
 use crate::{
     params::{ChannelID, MAX_CHANNEL_BANK_SIZE},
     traits::{ChainProvider, DataAvailabilityProvider},
-    types::{BlockInfo, Channel, RollupConfig},
+    types::{BlockInfo, Channel, Frame, RollupConfig},
 };
 
 use super::l1_retrieval::L1Retrieval;
@@ -81,4 +81,28 @@ where
         }
         Ok(())
     }
+
+    /// Adds new L1 data to the channel bank. Should only be called after all data has been read.
+    pub fn ingest_frame(&mut self, frame: Frame) -> Result<()> {
+        let origin = *self.origin().ok_or(anyhow!("No origin"))?;
+
+        let current_channel = self.channels.entry(frame.id).or_insert_with(|| {
+            // Create a new channel
+            let channel = Channel::new(frame.id, origin);
+            self.channel_queue.push_back(frame.id);
+            channel
+        });
+
+        // Check if the channel is not timed out. If it has, ignore the frame.
+        if current_channel.open_block_number() + self.cfg.channel_timeout < origin.number {
+            return Ok(());
+        }
+
+        // Ingest the frame. If it fails, ignore the frame.
+        if current_channel.add_frame(frame, origin).is_err() {
+            return Ok(());
+        }
+
+        self.prune()
+    }
 }