console: handle eth.coinbase throws #19374 (#953)

* rpc: implement full bi-directional communication #18471

* console: handle eth.coinbase throws #19374

* rpc: remove extra debug log message

* rpc: add go:build lines #23468

console/console.go

@@ -290,14 +290,22 @@ func (c *Console) AutoCompleteInput(line string, pos int) (string, []string, str
 // Welcome show summary of current Geth instance and some metadata about the
 // console's available modules.
 func (c *Console) Welcome() {
+	message := "Welcome to the XDC JavaScript console!\n\n"
+
 	// Print some generic XDC metadata
-	fmt.Fprintf(c.printer, "Welcome to the XDC JavaScript console!\n\n")
+	if res, err := c.jsre.Run(`
-	c.jsre.Run(`
+		var message = "instance: " + web3.version.node + "\n";
-		console.log("instance: " + web3.version.node);
+		try {
-		console.log("coinbase: " + eth.coinbase);
+			message += "coinbase: " + eth.coinbase + "\n";
-		console.log("at block: " + eth.blockNumber + " (" + new Date(1000 * eth.getBlock(eth.blockNumber).timestamp) + ")");
+		} catch (err) {}
-		console.log(" datadir: " + admin.datadir);
+		message += "at block: " + eth.blockNumber + " (" + new Date(1000 * eth.getBlock(eth.blockNumber).timestamp) + ")\n";
-	`)
+		try {
+			message += " datadir: " + admin.datadir + "\n";
+		} catch (err) {}
+		message
+	`); err == nil {
+		message += res.String()
+	}
 	// List all the supported modules for the user to call
 	if apis, err := c.client.SupportedModules(); err == nil {
 		modules := make([]string, 0, len(apis))
@@ -305,9 +313,9 @@ func (c *Console) Welcome() {
 			modules = append(modules, fmt.Sprintf("%s:%s", api, version))
 		}
 		sort.Strings(modules)
-		fmt.Fprintln(c.printer, " modules:", strings.Join(modules, " "))
+		message += " modules: " + strings.Join(modules, " ") + "\n"
 	}
-	fmt.Fprintln(c.printer)
+	fmt.Fprintln(c.printer, message)
 }
 
 // Evaluate executes code and pretty prints the result to the specified output

rpc/endpoints.go

@@ -36,7 +36,6 @@ func StartIPCEndpoint(ipcEndpoint string, apis []API) (net.Listener, *Server, er
 			log.Info("IPC registration failed", "namespace", api.Namespace, "error", err)
 			return nil, nil, err
 		}
-		log.Debug("IPC registered", "namespace", api.Namespace)
 		if _, ok := regMap[api.Namespace]; !ok {
 			registered = append(registered, api.Namespace)
 			regMap[api.Namespace] = struct{}{}

rpc/ipc_windows.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build windows
 // +build windows
 
 package rpc

rpc/subscription_test.go

@@ -25,7 +25,9 @@ import (
 	"time"
 )
 
-func TestNewID2(t *testing.T) {
+func TestNewID(t *testing.T) {
+	t.Parallel()
+
 	hexchars := "0123456789ABCDEFabcdef"
 	for i := 0; i < 100; i++ {
 		id := string(NewID())

rpc/utils_test.go

@@ -1,43 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// The go-ethereum library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public License
-// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package rpc
-
-import (
-	"strings"
-	"testing"
-)
-
-func TestNewID(t *testing.T) {
-	hexchars := "0123456789ABCDEFabcdef"
-	for i := 0; i < 100; i++ {
-		id := string(NewID())
-		if !strings.HasPrefix(id, "0x") {
-			t.Fatalf("invalid ID prefix, want '0x...', got %s", id)
-		}
-
-		id = id[2:]
-		if len(id) == 0 || len(id) > 32 {
-			t.Fatalf("invalid ID length, want len(id) > 0 && len(id) <= 32), got %d", len(id))
-		}
-
-		for i := 0; i < len(id); i++ {
-			if strings.IndexByte(hexchars, id[i]) == -1 {
-				t.Fatalf("unexpected byte, want any valid hex char, got %c", id[i])
-			}
-		}
-	}
-}