fix(gnoweb): update ts URL construction in _fetchQEval to handle existing http protocols

gno.land/cmd/gnoweb/main.go

@@ -18,6 +18,20 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
+// normalizeRemoteURL ensures the remote URL has a valid HTTP(S) protocol.
+// - tcp:// is converted to http:// (RPC uses HTTP over TCP)
+// - No protocol defaults to http://
+// - http:// and https:// are kept as-is
+func normalizeRemoteURL(remote string) string {
+	if strings.HasPrefix(remote, "tcp://") {
+		return strings.Replace(remote, "tcp://", "http://", 1)
+	}
+	if strings.HasPrefix(remote, "http://") || strings.HasPrefix(remote, "https://") {
+		return remote
+	}
+	return "http://" + remote
+}
+
 // Authorized external image host providers.
 var cspImgHost = []string{
 	// Gno-related hosts
@@ -225,10 +239,10 @@ func setupWeb(cfg *webCfg, _ []string, io commands.IO) (func() error, error) {
 	// Setup app
 	appcfg := gnoweb.NewDefaultAppConfig()
 	appcfg.ChainID = cfg.chainid
-	appcfg.NodeRemote = cfg.remote
+	appcfg.NodeRemote = normalizeRemoteURL(cfg.remote)
 	appcfg.NodeRequestTimeout = cfg.remoteTimeout
-	appcfg.RemoteHelp = cfg.remoteHelp
-	if appcfg.RemoteHelp == "" {
+	appcfg.RemoteHelp = normalizeRemoteURL(cfg.remoteHelp)
+	if appcfg.RemoteHelp == "" || appcfg.RemoteHelp == "http://" {
 		appcfg.RemoteHelp = appcfg.NodeRemote
 	}
 	appcfg.Analytics = cfg.analytics
@@ -262,7 +276,7 @@ func setupWeb(cfg *webCfg, _ []string, io commands.IO) (func() error, error) {
 	logger.Info("Running", "listener", bindaddr.String())
 
 	// Setup security headers
-	secureHandler := SecureHeadersMiddleware(app, !cfg.noStrict, cfg.remote)
+	secureHandler := SecureHeadersMiddleware(app, !cfg.noStrict, appcfg.NodeRemote)
 
 	// Setup server
 	server := &http.Server{

gno.land/cmd/gnoweb/main_test.go

@@ -13,6 +13,30 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+func TestNormalizeRemoteURL(t *testing.T) {
+	t.Parallel()
+
+	cases := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{"tcp protocol", "tcp://127.0.0.1:26657", "http://127.0.0.1:26657"},
+		{"http protocol", "http://127.0.0.1:26657", "http://127.0.0.1:26657"},
+		{"https protocol", "https://rpc.gno.land:443", "https://rpc.gno.land:443"},
+		{"no protocol", "127.0.0.1:26657", "http://127.0.0.1:26657"},
+		{"no protocol with domain", "rpc.gno.land:443", "http://rpc.gno.land:443"},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			result := normalizeRemoteURL(tc.input)
+			assert.Equal(t, tc.expected, result)
+		})
+	}
+}
+
 func TestSetupWeb(t *testing.T) {
 	opts := defaultWebOptions
 	opts.bind = "127.0.0.1:0" // random port

gno.land/pkg/gnoweb/frontend/js/controller-action-function.ts

@@ -211,7 +211,7 @@ export class ActionFunctionController extends BaseController {
 	// Fetch the qeval result from the remote
 	private async _fetchQEval(remote: string, data: string): Promise<string> {
 		try {
-			const url = `http://${remote}/abci_query?path=vm%2fqeval&data=${btoa(data)}`;
+			const url = `${remote}/abci_query?path=vm%2fqeval&data=${btoa(data)}`;
 			const response = await fetch(url);
 			if (!response.ok) return "";