From 6a94ceff78c8df06d06d3710568d3a15002f42c3 Mon Sep 17 00:00:00 2001
From: Ryan Quinn Ford <ryan@deltadevs.xyz>
Date: Tue, 17 Sep 2024 09:56:42 +0200
Subject: [PATCH] serialization

---
 crates/common/src/hashchain.rs           | 16 ----------------
 crates/prism/src/node_types/sequencer.rs | 12 ++++++++++--
 2 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/crates/common/src/hashchain.rs b/crates/common/src/hashchain.rs
index c7f01578..0f1e56d0 100644
--- a/crates/common/src/hashchain.rs
+++ b/crates/common/src/hashchain.rs
@@ -128,14 +128,6 @@ impl Hashchain {
     pub fn len(&self) -> usize {
         self.entries.len()
     }
-
-    pub fn serialize(&self) -> Result<Vec<u8>> {
-        bincode::serialize(self).map_err(anyhow::Error::from)
-    }
-
-    pub fn deserialize(data: &[u8]) -> Result<Self> {
-        bincode::deserialize(data).map_err(anyhow::Error::from)
-    }
 }
 
 #[derive(Clone, Serialize, Deserialize, Debug, PartialEq)]
@@ -162,12 +154,4 @@ impl HashchainEntry {
             operation,
         }
     }
-
-    pub fn serialize(&self) -> Result<Vec<u8>> {
-        bincode::serialize(self).map_err(anyhow::Error::from)
-    }
-
-    pub fn deserialize(data: &[u8]) -> Result<Self> {
-        bincode::deserialize(data).map_err(anyhow::Error::from)
-    }
 }
diff --git a/crates/prism/src/node_types/sequencer.rs b/crates/prism/src/node_types/sequencer.rs
index 8d1f9a7b..e81fff8f 100644
--- a/crates/prism/src/node_types/sequencer.rs
+++ b/crates/prism/src/node_types/sequencer.rs
@@ -54,8 +54,6 @@ pub struct Sequencer {
     prover_client: Arc<Mutex<ProverClient>>,
 
     proving_key: SP1ProvingKey,
-    // fix clippy warning, keep verifying_key for future use
-    #[allow(dead_code)]
     verifying_key: SP1VerifyingKey,
 
     epoch_buffer_tx: Arc<Sender<FinalizedEpoch>>,
@@ -331,8 +329,18 @@ impl Sequencer {
         stdin.write(&batch);
 
         let client = self.prover_client.lock().await;
+
+        info!("generating proof for epoch height {}", epoch);
+        #[cfg(not(feature = "plonk"))]
         let proof = client.prove(&self.proving_key, stdin).run()?;
 
+        #[cfg(feature = "plonk")]
+        let proof = client.prove(&self.proving_key, stdin).plonk().run()?;
+        info!("successfully generated proof for epoch height {}", epoch);
+
+        client.verify(&proof, &self.verifying_key)?;
+        info!("verified proof for epoch height {}", epoch);
+
         let epoch_json = FinalizedEpoch {
             height: epoch,
             prev_commitment,