From 873607502cbbe5abeed111154d722a1682df701a Mon Sep 17 00:00:00 2001
From: int88 <106391185+int88@users.noreply.github.com>
Date: Thu, 20 Jul 2023 01:27:08 +0800
Subject: [PATCH] feat: add reorg metrics (#3824)

---
 crates/blockchain-tree/src/blockchain_tree.rs | 1 +
 crates/blockchain-tree/src/metrics.rs         | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/crates/blockchain-tree/src/blockchain_tree.rs b/crates/blockchain-tree/src/blockchain_tree.rs
index 819d60d4c3..6c5f2fe3d6 100644
--- a/crates/blockchain-tree/src/blockchain_tree.rs
+++ b/crates/blockchain-tree/src/blockchain_tree.rs
@@ -1003,6 +1003,7 @@ impl<DB: Database, C: Consensus, EF: ExecutorFactory> BlockchainTree<DB, C, EF>
                 };
                 // insert old canon chain
                 self.insert_chain(AppendableChain::new(old_canon_chain));
+                self.metrics.reorgs.increment(1);
             } else {
                 // error here to confirm that we are reverting nothing from db.
                 error!(target: "blockchain_tree", "Reverting nothing from db on block: #{:?}", block_hash);
diff --git a/crates/blockchain-tree/src/metrics.rs b/crates/blockchain-tree/src/metrics.rs
index 38610c5a69..864fac9474 100644
--- a/crates/blockchain-tree/src/metrics.rs
+++ b/crates/blockchain-tree/src/metrics.rs
@@ -1,5 +1,5 @@
 use reth_metrics::{
-    metrics::{self, Gauge},
+    metrics::{self, Counter, Gauge},
     Metrics,
 };
 
@@ -11,6 +11,8 @@ pub struct TreeMetrics {
     pub sidechains: Gauge,
     /// The highest block number in the canonical chain
     pub canonical_chain_height: Gauge,
+    /// The number of reorgs
+    pub reorgs: Counter,
 }
 
 /// Metrics for the blockchain tree block buffer