chore: minor examples cleanup

- Pass time.Duration instead of passing int that gets converted to time.Duration.
- Remove unneeded else clauses
- spelling

examples/bitswap-transfer/README.md

@@ -1,4 +1,4 @@
-# Transfering UnixFS file with Bitswap
+# Transferring UnixFS file with Bitswap
 
 This is an example that quickly shows how to use IPFS tooling to move around a file.
 

examples/routing/delegated-routing-client/main.go

@@ -26,31 +26,32 @@ func main() {
 	namePtr := flag.String("ipns", "", "ipns name to retrieve record for")
 	flag.Parse()
 
-	if err := run(os.Stdout, *gatewayUrlPtr, *cidPtr, *pidPtr, *namePtr, *timeoutPtr); err != nil {
+	timeout := time.Duration(*timeoutPtr) * time.Second
+	if err := run(os.Stdout, *gatewayUrlPtr, *cidPtr, *pidPtr, *namePtr, timeout); err != nil {
 		log.Fatal(err)
 	}
 }
 
-func run(w io.Writer, gatewayURL, cidStr, pidStr, nameStr string, timeoutSeconds int) error {
+func run(w io.Writer, gatewayURL, cidStr, pidStr, nameStr string, timeout time.Duration) error {
 	// Creates a new Delegated Routing V1 client.
 	client, err := client.New(gatewayURL)
 	if err != nil {
 		return err
 	}
 
-	timeout := time.Duration(timeoutSeconds) * time.Second
 	ctx, cancel := context.WithTimeout(context.Background(), timeout)
 	defer cancel()
 
 	if cidStr != "" {
 		return findProviders(w, ctx, client, cidStr)
-	} else if pidStr != "" {
+	}
+	if pidStr != "" {
 		return findPeers(w, ctx, client, pidStr)
-	} else if nameStr != "" {
+	}
+	if nameStr != "" {
 		return findIPNS(w, ctx, client, nameStr)
-	} else {
-		return errors.New("cid or peer must be provided")
 	}
+	return errors.New("cid or peer must be provided")
 }
 
 func findProviders(w io.Writer, ctx context.Context, client *client.Client, cidStr string) error {

examples/routing/delegated-routing-client/main_test.go

@@ -32,7 +32,7 @@ func TestFindProviders(t *testing.T) {
 	t.Cleanup(ts.Close)
 
 	out := &bytes.Buffer{}
-	err := run(out, ts.URL, cidStr, "", "", 1)
+	err := run(out, ts.URL, cidStr, "", "", time.Second)
 	assert.Contains(t, out.String(), "12D3KooWM8sovaEGU1bmiWGWAzvs47DEcXKZZTuJnpQyVTkRs2Vn\n\tProtocols: [transport-bitswap]\n\tAddresses: [/ip4/111.222.222.111/tcp/5734]\n")
 	assert.Contains(t, out.String(), "12D3KooWB6RAWgcmHAP7TGEGK7utV2ZuqSzX1DNjRa97TtJ7139n\n\tProtocols: []\n\tAddresses: [/ip4/127.0.0.1/tcp/5734]\n")
 	assert.NoError(t, err)
@@ -50,7 +50,7 @@ func TestFindPeers(t *testing.T) {
 	t.Cleanup(ts.Close)
 
 	out := &bytes.Buffer{}
-	err := run(out, ts.URL, "", pidStr, "", 1)
+	err := run(out, ts.URL, "", pidStr, "", time.Second)
 	assert.Contains(t, out.String(), "12D3KooWM8sovaEGU1bmiWGWAzvs47DEcXKZZTuJnpQyVTkRs2Vn\n\tProtocols: [transport-bitswap]\n\tAddresses: [/ip4/111.222.222.111/tcp/5734]\n")
 	assert.NoError(t, err)
 }
@@ -67,7 +67,7 @@ func TestGetIPNS(t *testing.T) {
 	t.Cleanup(ts.Close)
 
 	out := &bytes.Buffer{}
-	err := run(out, ts.URL, "", "", name.String(), 1)
+	err := run(out, ts.URL, "", "", name.String(), time.Second)
 	assert.Contains(t, out.String(), fmt.Sprintf("/ipns/%s\n\tSignature: VALID\n\tValue: /ipfs/bafkreifjjcie6lypi6ny7amxnfftagclbuxndqonfipmb64f2km2devei4\n", name.String()))
 	assert.NoError(t, err)
 }