Add bid value metrics (#13804)

beacon-chain/rpc/prysm/v1alpha1/validator/proposer_bellatrix.go

@@ -27,11 +27,20 @@ import (
 	"go.opencensus.io/trace"
 )
 
-// builderGetPayloadMissCount tracks the number of misses when validator tries to get a payload from builder
-var builderGetPayloadMissCount = promauto.NewCounter(prometheus.CounterOpts{
-	Name: "builder_get_payload_miss_count",
-	Help: "The number of get payload misses for validator requests to builder",
-})
+var (
+	builderValueGweiGauge = promauto.NewGauge(prometheus.GaugeOpts{
+		Name: "builder_value_gwei",
+		Help: "Builder payload value in gwei",
+	})
+	localValueGweiGauge = promauto.NewGauge(prometheus.GaugeOpts{
+		Name: "local_value_gwei",
+		Help: "Local payload value in gwei",
+	})
+	builderGetPayloadMissCount = promauto.NewCounter(prometheus.CounterOpts{
+		Name: "builder_get_payload_miss_count",
+		Help: "The number of get payload misses for validator requests to builder",
+	})
+)
 
 // emptyTransactionsRoot represents the returned value of ssz.TransactionsRoot([][]byte{}) and
 // can be used as a constant to avoid recomputing this value in every call.
@@ -92,6 +101,8 @@ func setExecutionData(ctx context.Context, blk interfaces.SignedBeaconBlock, loc
 				"builderBoostFactor":   builderBoostFactor,
 			}).Warn("Proposer: both local boost and builder boost are using non default values")
 		}
+		builderValueGweiGauge.Set(float64(builderValueGwei))
+		localValueGweiGauge.Set(float64(localValueGwei))
 
 		// If we can't get the builder value, just use local block.
 		if higherValueBuilder && withdrawalsMatched { // Builder value is higher and withdrawals match.