From ddb20f7f1ffede3a905337ff67c7acfbbb466d86 Mon Sep 17 00:00:00 2001
From: crisog <ortega.cpp@gmail.com>
Date: Fri, 2 Aug 2024 16:38:18 -0400
Subject: [PATCH] feat: use latest finalized block

---
 ghost-crab/src/latest_block_manager.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/ghost-crab/src/latest_block_manager.rs b/ghost-crab/src/latest_block_manager.rs
index 7e716b5..c8aa1ba 100644
--- a/ghost-crab/src/latest_block_manager.rs
+++ b/ghost-crab/src/latest_block_manager.rs
@@ -1,5 +1,5 @@
-use alloy::providers::Provider as AlloyProvider;
 use alloy::transports::TransportError;
+use alloy::{eips::BlockNumberOrTag, providers::Provider as AlloyProvider};
 use std::time::{Duration, Instant};
 
 use crate::indexer::rpc_manager::Provider;
@@ -23,7 +23,15 @@ impl LatestBlockManager {
             }
         }
 
-        let block_number = self.provider.get_block_number().await?;
+        let latest_finalized_block = self
+            .provider
+            .get_block_by_number(BlockNumberOrTag::Finalized, false)
+            .await?
+            .ok_or_else(|| TransportError::local_usage_str("Block not found".into()))?;
+
+        let block_number = latest_finalized_block.header.number.ok_or_else(|| {
+            TransportError::local_usage_str("Block number not available in block header".into())
+        })?;
 
         self.block_number = Some(block_number);
         self.last_fetch = Instant::now();