1 files changed, 218 insertions, 0 deletions
diff --git a/cmd/gdex/consolecmd.go b/cmd/gdex/consolecmd.go
new file mode 100644
index 000000000..9915e1ee0
--- /dev/null
+++ b/cmd/gdex/consolecmd.go
@@ -0,0 +1,218 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"strings"
+	"syscall"
+
+	"github.com/dexon-foundation/dexon/cmd/utils"
+	"github.com/dexon-foundation/dexon/console"
+	"github.com/dexon-foundation/dexon/node"
+	"github.com/dexon-foundation/dexon/rpc"
+	"gopkg.in/urfave/cli.v1"
+)
+
+var (
+	consoleFlags = []cli.Flag{utils.JSpathFlag, utils.ExecFlag, utils.PreloadJSFlag}
+
+	consoleCommand = cli.Command{
+		Action:   utils.MigrateFlags(localConsole),
+		Name:     "console",
+		Usage:    "Start an interactive JavaScript environment",
+		Flags:    append(append(append(nodeFlags, rpcFlags...), consoleFlags...), whisperFlags...),
+		Category: "CONSOLE COMMANDS",
+		Description: `
+The Geth console is an interactive shell for the JavaScript runtime environment
+which exposes a node admin interface as well as the Ðapp JavaScript API.
+See https://github.com/dexon-foundation/dexon/wiki/JavaScript-Console.`,
+	}
+
+	attachCommand = cli.Command{
+		Action:    utils.MigrateFlags(remoteConsole),
+		Name:      "attach",
+		Usage:     "Start an interactive JavaScript environment (connect to node)",
+		ArgsUsage: "[endpoint]",
+		Flags:     append(consoleFlags, utils.DataDirFlag),
+		Category:  "CONSOLE COMMANDS",
+		Description: `
+The Geth console is an interactive shell for the JavaScript runtime environment
+which exposes a node admin interface as well as the Ðapp JavaScript API.
+See https://github.com/dexon-foundation/dexon/wiki/JavaScript-Console.
+This command allows to open a console on a running gdex node.`,
+	}
+
+	javascriptCommand = cli.Command{
+		Action:    utils.MigrateFlags(ephemeralConsole),
+		Name:      "js",
+		Usage:     "Execute the specified JavaScript files",
+		ArgsUsage: "<jsfile> [jsfile...]",
+		Flags:     append(nodeFlags, consoleFlags...),
+		Category:  "CONSOLE COMMANDS",
+		Description: `
+The JavaScript VM exposes a node admin interface as well as the Ðapp
+JavaScript API. See https://github.com/dexon-foundation/dexon/wiki/JavaScript-Console`,
+	}
+)
+
+// localConsole starts a new gdex node, attaching a JavaScript console to it at the
+// same time.
+func localConsole(ctx *cli.Context) error {
+	// Create and start the node based on the CLI flags
+	node := makeFullNode(ctx)
+	startNode(ctx, node)
+	defer node.Stop()
+
+	// Attach to the newly started node and start the JavaScript console
+	client, err := node.Attach()
+	if err != nil {
+		utils.Fatalf("Failed to attach to the inproc gdex: %v", err)
+	}
+	config := console.Config{
+		DataDir: utils.MakeDataDir(ctx),
+		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
+		Client:  client,
+		Preload: utils.MakeConsolePreloads(ctx),
+	}
+
+	console, err := console.New(config)
+	if err != nil {
+		utils.Fatalf("Failed to start the JavaScript console: %v", err)
+	}
+	defer console.Stop(false)
+
+	// If only a short execution was requested, evaluate and return
+	if script := ctx.GlobalString(utils.ExecFlag.Name); script != "" {
+		console.Evaluate(script)
+		return nil
+	}
+	// Otherwise print the welcome screen and enter interactive mode
+	console.Welcome()
+	console.Interactive()
+
+	return nil
+}
+
+// remoteConsole will connect to a remote gdex instance, attaching a JavaScript
+// console to it.
+func remoteConsole(ctx *cli.Context) error {
+	// Attach to a remotely running gdex instance and start the JavaScript console
+	endpoint := ctx.Args().First()
+	if endpoint == "" {
+		path := node.DefaultDataDir()
+		if ctx.GlobalIsSet(utils.DataDirFlag.Name) {
+			path = ctx.GlobalString(utils.DataDirFlag.Name)
+		}
+		if path != "" {
+			if ctx.GlobalBool(utils.TestnetFlag.Name) {
+				path = filepath.Join(path, "testnet")
+			}
+		}
+		endpoint = fmt.Sprintf("%s/gdex.ipc", path)
+	}
+	client, err := dialRPC(endpoint)
+	if err != nil {
+		utils.Fatalf("Unable to attach to remote gdex: %v", err)
+	}
+	config := console.Config{
+		DataDir: utils.MakeDataDir(ctx),
+		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
+		Client:  client,
+		Preload: utils.MakeConsolePreloads(ctx),
+	}
+
+	console, err := console.New(config)
+	if err != nil {
+		utils.Fatalf("Failed to start the JavaScript console: %v", err)
+	}
+	defer console.Stop(false)
+
+	if script := ctx.GlobalString(utils.ExecFlag.Name); script != "" {
+		console.Evaluate(script)
+		return nil
+	}
+
+	// Otherwise print the welcome screen and enter interactive mode
+	console.Welcome()
+	console.Interactive()
+
+	return nil
+}
+
+// dialRPC returns a RPC client which connects to the given endpoint.
+// The check for empty endpoint implements the defaulting logic
+// for "gdex attach" and "gdex monitor" with no argument.
+func dialRPC(endpoint string) (*rpc.Client, error) {
+	if endpoint == "" {
+		endpoint = node.DefaultIPCEndpoint(clientIdentifier)
+	} else if strings.HasPrefix(endpoint, "rpc:") || strings.HasPrefix(endpoint, "ipc:") {
+		// Backwards compatibility with gdex < 1.5 which required
+		// these prefixes.
+		endpoint = endpoint[4:]
+	}
+	return rpc.Dial(endpoint)
+}
+
+// ephemeralConsole starts a new gdex node, attaches an ephemeral JavaScript
+// console to it, executes each of the files specified as arguments and tears
+// everything down.
+func ephemeralConsole(ctx *cli.Context) error {
+	// Create and start the node based on the CLI flags
+	node := makeFullNode(ctx)
+	startNode(ctx, node)
+	defer node.Stop()
+
+	// Attach to the newly started node and start the JavaScript console
+	client, err := node.Attach()
+	if err != nil {
+		utils.Fatalf("Failed to attach to the inproc gdex: %v", err)
+	}
+	config := console.Config{
+		DataDir: utils.MakeDataDir(ctx),
+		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
+		Client:  client,
+		Preload: utils.MakeConsolePreloads(ctx),
+	}
+
+	console, err := console.New(config)
+	if err != nil {
+		utils.Fatalf("Failed to start the JavaScript console: %v", err)
+	}
+	defer console.Stop(false)
+
+	// Evaluate each of the specified JavaScript files
+	for _, file := range ctx.Args() {
+		if err = console.Execute(file); err != nil {
+			utils.Fatalf("Failed to execute %s: %v", file, err)
+		}
+	}
+	// Wait for pending callbacks, but stop for Ctrl-C.
+	abort := make(chan os.Signal, 1)
+	signal.Notify(abort, syscall.SIGINT, syscall.SIGTERM)
+
+	go func() {
+		<-abort
+		os.Exit(0)
+	}()
+	console.Stop(true)
+
+	return nil
+}