From 70d75d5acb568dfc2255298e871a427f67a74a61 Mon Sep 17 00:00:00 2001
From: Bryan Stitt <bryan@llamanodes.com>
Date: Tue, 15 Aug 2023 16:20:25 -0700
Subject: [PATCH] exit early when empty params array

---
 web3_proxy/src/block_number.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/web3_proxy/src/block_number.rs b/web3_proxy/src/block_number.rs
index 423480f7..cf689a11 100644
--- a/web3_proxy/src/block_number.rs
+++ b/web3_proxy/src/block_number.rs
@@ -255,6 +255,16 @@ impl CacheMode {
             });
         }
 
+        if let Some(params) = params.as_array() {
+            if params.is_empty() {
+                // no params given. cache with the head block
+                return Ok(Self::Cache {
+                    block: head_block.into(),
+                    cache_errors: true,
+                });
+            }
+        }
+
         match method {
             "net_listening" => Ok(CacheMode::CacheSuccessForever),
             "net_version" => Ok(CacheMode::CacheSuccessForever),