avoid changing in solana

Author: fernandezlautaro

metrics/balance.go

@@ -13,7 +13,7 @@ import (
 )
 
 var (
-	nodeBalance = promauto.NewGaugeVec(
+	NodeBalance = promauto.NewGaugeVec(
 		prometheus.GaugeOpts{Name: "node_balance", Help: "Account balances"},
 		[]string{"account", "chainID", "chainFamily"},
 	)
@@ -45,7 +45,7 @@ func NewGenericBalanceMetrics(network string, chainID string) (GenericBalanceMet
 }
 
 func (m *balanceMetrics) RecordNodeBalance(ctx context.Context, account string, balance float64) {
-	nodeBalance.WithLabelValues(account, m.chainID, m.network).Set(balance)
+	NodeBalance.WithLabelValues(account, m.chainID, m.network).Set(balance)
 	m.nodeBalance.Record(ctx, balance, metric.WithAttributes(
 		attribute.String("network", m.network),
 		attribute.String("chainID", m.chainID),

metrics/balance_test.go

@@ -18,7 +18,7 @@ func TestBalanceMetrics_RecordNodeBalance(t *testing.T) {
 	m.RecordNodeBalance(t.Context(), "account", 5.5)
 	require.InEpsilon(t,
 		5.5,
-		testutil.ToFloat64(nodeBalance.WithLabelValues("account", "1", "test-network")),
+		testutil.ToFloat64(NodeBalance.WithLabelValues("account", "1", "test-network")),
 		0.001,
 	)
 }