diff --git a/domain/metrics.go b/domain/metrics.go
index ab5f5b0..d312713 100644
--- a/domain/metrics.go
+++ b/domain/metrics.go
@@ -149,6 +149,13 @@ var (
 		MetricJSONRPCRequest:                 nil,
 		MetricJSONRPCSuccess:                 nil,
 		MetricJSONRPCThrottled:               nil,
+		MetricJSONRPCCacheError:              nil,
+		MetricJSONRPCCacheHit:                nil,
+		MetricJSONRPCCacheMiss:               nil,
+		MetricJSONRPCCacheLatency:            nil,
+		MetricJSONRPCCacheSize:               nil,
+		MetricJSONRPCCachePollError:          nil,
+		MetricJSONRPCCachePollSuccess:        nil,
 		MetricPublicAPIProxyLatency:          nil,
 		MetricPublicAPIProxyRequest:          nil,
 		MetricPublicAPIProxySuccess:          nil,
@@ -178,5 +185,7 @@ var (
 		MetricJSONRPCRequest,
 		MetricJSONRPCSuccess,
 		MetricJSONRPCThrottled,
+		MetricJSONRPCCacheHit,
+		MetricJSONRPCCacheMiss,
 	}
 )