reverted NewSolanaCollector name + more of Jeff's nits

.gitignore

@@ -0,0 +1,6 @@
+# for prometheus configs:
+.prometheus
+
+# builds:
+.builds
+solana_exporter

cmd/solana_exporter/exporter.go

@@ -35,7 +35,7 @@ type solanaCollector struct {
 	solanaVersion           *prometheus.Desc
 }
 
-func newSolanaCollector(rpcAddr string) *solanaCollector {
+func NewSolanaCollector(rpcAddr string) *solanaCollector {
 	return &solanaCollector{
 		rpcClient: rpc.NewRPCClient(rpcAddr),
 		totalValidatorsDesc: prometheus.NewDesc(
@@ -132,7 +132,7 @@ func main() {
 
 	httpTimeout = time.Duration(*httpTimeoutSecs) * time.Second
 
-	collector := newSolanaCollector(*rpcAddr)
+	collector := NewSolanaCollector(*rpcAddr)
 
 	go collector.WatchSlots()
 

pkg/rpc/client.go

@@ -87,11 +87,8 @@ func (c *Client) rpcRequest(ctx context.Context, data io.Reader) ([]byte, error)
 	if err != nil {
 		return nil, err
 	}
-	defer func() {
-		if err := resp.Body.Close(); err != nil {
-			klog.Errorf("could not close response body: %v", err)
-		}
-	}()
+	//goland:noinspection GoUnhandledErrorResult
+	defer resp.Body.Close()
 
 	body, err := io.ReadAll(resp.Body)
 	if err != nil {