From 55158fd796d771d1a1795c0cb4ce63807ba0bb99 Mon Sep 17 00:00:00 2001
From: Ayelet Zilber <138376632+ayeletstarkware@users.noreply.github.com>
Date: Thu, 26 Dec 2024 11:48:29 +0200
Subject: [PATCH] feat(starknet_batcher): add l2 gas used to decision_reached
 (#2950)

---
 crates/starknet_batcher/src/batcher.rs             | 5 ++++-
 crates/starknet_batcher/src/batcher_test.rs        | 1 +
 crates/starknet_batcher_types/src/batcher_types.rs | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/crates/starknet_batcher/src/batcher.rs b/crates/starknet_batcher/src/batcher.rs
index 31aea93802..98c40fbcf2 100644
--- a/crates/starknet_batcher/src/batcher.rs
+++ b/crates/starknet_batcher/src/batcher.rs
@@ -423,7 +423,10 @@ impl Batcher {
             block_execution_artifacts.tx_hashes(),
         )
         .await?;
-        Ok(DecisionReachedResponse { state_diff })
+        Ok(DecisionReachedResponse {
+            state_diff,
+            l2_gas_used: block_execution_artifacts.l2_gas_used,
+        })
     }
 
     async fn commit_proposal_and_block(
diff --git a/crates/starknet_batcher/src/batcher_test.rs b/crates/starknet_batcher/src/batcher_test.rs
index 208697f8f5..cafa2b4faf 100644
--- a/crates/starknet_batcher/src/batcher_test.rs
+++ b/crates/starknet_batcher/src/batcher_test.rs
@@ -571,6 +571,7 @@ async fn decision_reached() {
     let response =
         batcher.decision_reached(DecisionReachedInput { proposal_id: PROPOSAL_ID }).await.unwrap();
     assert_eq!(response.state_diff, expected_artifacts.state_diff());
+    assert_eq!(response.l2_gas_used, expected_artifacts.l2_gas_used);
 }
 
 #[rstest]
diff --git a/crates/starknet_batcher_types/src/batcher_types.rs b/crates/starknet_batcher_types/src/batcher_types.rs
index 09765aeb2d..10191a5da2 100644
--- a/crates/starknet_batcher_types/src/batcher_types.rs
+++ b/crates/starknet_batcher_types/src/batcher_types.rs
@@ -5,6 +5,7 @@ use serde::{Deserialize, Serialize};
 use starknet_api::block::{BlockHashAndNumber, BlockInfo, BlockNumber};
 use starknet_api::core::StateDiffCommitment;
 use starknet_api::executable_transaction::Transaction;
+use starknet_api::execution_resources::GasAmount;
 use starknet_api::state::ThinStateDiff;
 
 use crate::errors::BatcherError;
@@ -92,6 +93,7 @@ pub struct SendProposalContentResponse {
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
 pub struct DecisionReachedResponse {
     pub state_diff: ThinStateDiff,
+    pub l2_gas_used: GasAmount,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]