From 9471be5116040d150aaa7f994e8ae5baa0407fd1 Mon Sep 17 00:00:00 2001
From: Roshan <48975233+pythonberg1997@users.noreply.github.com>
Date: Tue, 21 Oct 2025 16:52:30 +0800
Subject: [PATCH 1/2] chore: update example.config.toml (#16)

---
 example.config.toml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/example.config.toml b/example.config.toml
index 2463d8d..c8b246c 100644
--- a/example.config.toml
+++ b/example.config.toml
@@ -49,7 +49,7 @@ max_latency_threshold = "10s"
 # Maximum latency accepted to serve requests before degraded, default 5s
 max_degraded_latency_threshold = "5s"
 # Maximum error rate accepted to serve requests, default 0.5 (i.e. 50%)
-max_error_rate_threshold = 0.3
+max_error_rate_threshold = 0.5
 
 [backends]
 # A map of backends by name.
@@ -126,6 +126,7 @@ eth_getBalance = "query"
 eth_getBlockByHash = "query"
 eth_getBlockByNumber = "query"
 eth_getCode = "query"
+eth_getHeaderByNumber = "query"
 eth_getTransactionCount = "query"
 eth_getTransactionReceipt = "query"
 eth_maxPriorityFeePerGas = "query"

From f0ff84d1f111ae7811cc9bd44904d54929cdf15f Mon Sep 17 00:00:00 2001
From: Roshan <48975233+pythonberg1997@users.noreply.github.com>
Date: Wed, 29 Oct 2025 15:06:26 +0800
Subject: [PATCH 2/2] chore: update MethodOverrides lims (#17)

---
 server.go | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/server.go b/server.go
index d9e8b64..6c5da02 100644
--- a/server.go
+++ b/server.go
@@ -333,7 +333,12 @@ func (s *Server) HandleRPC(w http.ResponseWriter, r *http.Request) {
 		if method == "" {
 			lim = s.mainLim
 		} else {
+			// Check if there's a method-specific override
 			lim = s.overrideLims[method]
+			// If no override exists, fallback to base rate limiter
+			if lim == nil {
+				lim = s.mainLim
+			}
 		}
 
 		if lim == nil {
@@ -510,23 +515,10 @@ func (s *Server) handleBatchRPC(ctx context.Context, reqs []json.RawMessage, isL
 			continue
 		}
 
-		// Take base rate limit first
-		if isLimited("") {
-			log.Debug(
-				"rate limited individual RPC in a batch request",
-				"source", "rpc",
-				"req_id", parsedReq.ID,
-				"method", parsedReq.Method,
-			)
-			RecordRPCError(ctx, BackendProxyd, parsedReq.Method, ErrOverRateLimit)
-			responses[i] = NewRPCErrorRes(parsedReq.ID, ErrOverRateLimit)
-			continue
-		}
-
-		// Take rate limit for specific methods.
-		if _, ok := s.overrideLims[parsedReq.Method]; ok && isLimited(parsedReq.Method) {
+		// Check rate limit (method override if exists, otherwise base rate)
+		if isLimited(parsedReq.Method) {
 			log.Debug(
-				"rate limited specific RPC",
+				"rate limited RPC",
 				"source", "rpc",
 				"req_id", GetReqID(ctx),
 				"method", parsedReq.Method,