cleanup and fix a bunch of compiler warnings

server/federation_test.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"context"
 	"fmt"
-	"log"
 	"net"
 	"os"
 	"strconv"
@@ -16,13 +15,20 @@ import (
 	"github.com/lbryio/herald.go/server"
 	"github.com/lbryio/lbry.go/v3/extras/stop"
 	dto "github.com/prometheus/client_model/go"
+	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 )
 
 // lineCountFile takes a fileName and counts the number of lines in it.
 func lineCountFile(fileName string) int {
 	f, err := os.Open(fileName)
-	defer f.Close()
+	defer func() {
+		err := f.Close()
+		if err != nil {
+			log.Warn(err)
+		}
+	}()
 	if err != nil {
 		log.Println(err)
 		return 0
@@ -207,7 +213,7 @@ func TestAddPeerEndpoint(t *testing.T) {
 			go hubServer2.Run()
 			//go hubServer.Run()
 			conn, err := grpc.Dial("localhost:"+strconv.Itoa(args.Port),
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithBlock(),
 			)
 			if err != nil {
@@ -282,7 +288,7 @@ func TestAddPeerEndpoint2(t *testing.T) {
 			go hubServer2.Run()
 			go hubServer3.Run()
 			conn, err := grpc.Dial("localhost:"+strconv.Itoa(args.Port),
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithBlock(),
 			)
 			if err != nil {
@@ -372,14 +378,14 @@ func TestAddPeerEndpoint3(t *testing.T) {
 			go hubServer2.Run()
 			go hubServer3.Run()
 			conn, err := grpc.Dial("localhost:"+strconv.Itoa(args.Port),
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithBlock(),
 			)
 			if err != nil {
 				log.Fatalf("did not connect: %v", err)
 			}
 			conn2, err := grpc.Dial("localhost:50052",
-				grpc.WithInsecure(),
+				grpc.WithTransportCredentials(insecure.NewCredentials()),
 				grpc.WithBlock(),
 			)
 			if err != nil {

server/jsonrpc_blockchain_test.go

@@ -185,6 +185,9 @@ func TestHeaders(t *testing.T) {
 		}
 		var resp *BlockHeadersResp
 		err := s.Headers(&req, &resp)
+		if err != nil {
+			t.Errorf("Headers: %v", err)
+		}
 		marshalled, err := json.MarshalIndent(resp, "", "    ")
 		if err != nil {
 			t.Errorf("height: %v unmarshal err: %v", height, err)

server/jsonrpc_claimtrie.go

@@ -8,7 +8,6 @@ import (
 	"github.com/lbryio/herald.go/internal/metrics"
 	pb "github.com/lbryio/herald.go/protobuf/go"
 	"github.com/prometheus/client_golang/prometheus"
-	"github.com/sirupsen/logrus"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -102,7 +101,7 @@ func (t *ClaimtrieService) GetClaimByID(args *GetClaimByIDData, result **pb.Outp
 		BlockedTotal: 0,   //TODO
 	}
 
-	logrus.Warn(res)
+	log.Warn(res)
 
 	*result = res
 	return nil

server/notifier.go

@@ -54,9 +54,9 @@ func (s *Server) DoNotify(heightHash *internal.HeightHash) error {
 // RunNotifier Runs the notfying action forever
 func (s *Server) RunNotifier() error {
 	for notification := range s.NotifierChan {
-		switch notification.(type) {
+		switch note := notification.(type) {
 		case internal.HeightHash:
-			heightHash, _ := notification.(internal.HeightHash)
+			heightHash := note
 			s.DoNotify(&heightHash)
 		// Do we need this?
 		// case peerNotification:

server/notifier_test.go

@@ -68,15 +68,12 @@ func tcpRead(conn net.Conn) ([]byte, error) {
 
 func TestNotifierServer(t *testing.T) {
 	args := server.MakeDefaultTestArgs()
-	// ctx := context.Background()
 	ctx := stop.NewDebug()
 	hub := server.MakeHubServer(ctx, args)
 
 	go hub.NotifierServer()
 	go hub.RunNotifier()
 
-	// time.Sleep(time.Second * 2)
-
 	addr := fmt.Sprintf(":%d", args.NotifierPort)
 	logrus.Info(addr)
 	conn, err := tcpConnReady(addr)
@@ -99,7 +96,6 @@ func TestNotifierServer(t *testing.T) {
 
 	// Hacky but needed because if the reader isn't ready
 	// before the writer sends it won't get the data
-	// time.Sleep(time.Second * 10)
 	err = subReady(hub)
 	if err != nil {
 		t.Fatal(err)

server/server.go

@@ -7,7 +7,9 @@ import (
 	"errors"
 	"fmt"
 	"hash"
-	"io/ioutil"
+
+	//"io/ioutil"
+
 	"log"
 	"net"
 	"net/http"
@@ -176,7 +178,7 @@ func (s *Server) Stop() {
 }
 
 func LoadDatabase(args *Args, grp *stop.Group) (*db.ReadOnlyDBColumnFamily, error) {
-	tmpName, err := ioutil.TempDir("", "go-lbry-hub")
+	tmpName, err := os.MkdirTemp("", "go-lbry-hub")
 	if err != nil {
 		logrus.Info(err)
 		log.Fatal(err)
@@ -433,7 +435,7 @@ func MakeHubServer(grp *stop.Group, args *Args) *Server {
 // for this hub to allow for metric tracking.
 func (s *Server) prometheusEndpoint(port string, endpoint string) {
 	http.Handle("/"+endpoint, promhttp.Handler())
-	log.Println(fmt.Sprintf("listening on :%s /%s", port, endpoint))
+	log.Printf("listening on :%s /%s\n", port, endpoint)
 	err := http.ListenAndServe(":"+port, nil)
 	log.Fatalln("Shouldn't happen??!?!", err)
 }

server/session.go

@@ -62,12 +62,11 @@ type session struct {
 func (s *session) doNotify(notification interface{}) {
 	var method string
 	var params interface{}
-	switch notification.(type) {
+	switch note := notification.(type) {
 	case headerNotification:
 		if !s.headersSub {
 			return
 		}
-		note, _ := notification.(headerNotification)
 		heightHash := note.HeightHash
 		method = "blockchain.headers.subscribe"
 		if s.headersSubRaw {
@@ -87,7 +86,6 @@ func (s *session) doNotify(notification interface{}) {
 			params = header
 		}
 	case hashXNotification:
-		note, _ := notification.(hashXNotification)
 		orig, ok := s.hashXSubs[note.hashX]
 		if !ok {
 			return
@@ -106,7 +104,6 @@ func (s *session) doNotify(notification interface{}) {
 		if !s.peersSub {
 			return
 		}
-		note, _ := notification.(peerNotification)
 		method = "server.peers.subscribe"
 		params = []string{note.address, note.port}
 
@@ -364,16 +361,15 @@ func (sm *sessionManager) hashXSubscribe(sess *session, hashX []byte, original s
 }
 
 func (sm *sessionManager) doNotify(notification interface{}) {
-	switch notification.(type) {
+	switch note := notification.(type) {
 	case internal.HeightHash:
 		// The HeightHash notification translates to headerNotification.
-		notification = &headerNotification{HeightHash: notification.(internal.HeightHash)}
+		notification = &headerNotification{HeightHash: note}
 	}
 	sm.sessionsMut.RLock()
 	var subsCopy sessionMap
-	switch notification.(type) {
+	switch note := notification.(type) {
 	case headerNotification:
-		note, _ := notification.(headerNotification)
 		subsCopy = sm.headerSubs
 		if len(subsCopy) > 0 {
 			hdr := [HEADER_SIZE]byte{}
@@ -382,7 +378,6 @@ func (sm *sessionManager) doNotify(notification interface{}) {
 			note.blockHeaderStr = hex.EncodeToString(note.BlockHeader[:])
 		}
 	case hashXNotification:
-		note, _ := notification.(hashXNotification)
 		hashXSubs, ok := sm.hashXSubs[note.hashX]
 		if ok {
 			subsCopy = hashXSubs
@@ -410,8 +405,10 @@ type sessionServerCodec struct {
 
 // ReadRequestHeader provides ability to rewrite the incoming
 // request "method" field. For example:
-//     blockchain.block.get_header -> blockchain.block.Get_header
-//     blockchain.address.listunspent -> blockchain.address.Listunspent
+//
+//	blockchain.block.get_header -> blockchain.block.Get_header
+//	blockchain.address.listunspent -> blockchain.address.Listunspent
+//
 // This makes the "method" string compatible with rpc.Server
 // requirements.
 func (c *sessionServerCodec) ReadRequestHeader(req *rpc.Request) error {