コード例 #1
0
ファイル: main.go プロジェクト: Xiaoyang-Zhu/go-ethereum
// execScripts starts a new geth node based on the CLI flags, and executes each
// of the JavaScript files specified as command arguments.
func execScripts(ctx *cli.Context) {
	// Create and start the node based on the CLI flags
	node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
	startNode(ctx, node)
	defer node.Stop()

	// Attach to the newly started node and execute the given scripts
	client, err := node.Attach()
	if err != nil {
		utils.Fatalf("Failed to attach to the inproc geth: %v", err)
	}
	repl := newJSRE(node,
		ctx.GlobalString(utils.JSpathFlag.Name),
		ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
		client, false)

	// Run all given files.
	for _, file := range ctx.Args() {
		if err = repl.re.Exec(file); err != nil {
			break
		}
	}
	if err != nil {
		utils.Fatalf("JavaScript Error: %v", jsErrorString(err))
	}
	// JS files loaded successfully.
	// Wait for pending callbacks, but stop for Ctrl-C.
	abort := make(chan os.Signal, 1)
	signal.Notify(abort, os.Interrupt)
	go func() {
		<-abort
		repl.re.Stop(false)
	}()
	repl.re.Stop(true)
}
コード例 #2
0
ファイル: main.go プロジェクト: Xiaoyang-Zhu/go-ethereum
// console starts a new geth node, attaching a JavaScript console to it at the
// same time.
func console(ctx *cli.Context) {
	// Create and start the node based on the CLI flags
	node := utils.MakeSystemNode(clientIdentifier, verString, relConfig, makeDefaultExtra(), ctx)
	startNode(ctx, node)

	// Attach to the newly started node, and either execute script or become interactive
	client, err := node.Attach()
	if err != nil {
		utils.Fatalf("Failed to attach to the inproc geth: %v", err)
	}
	repl := newJSRE(node,
		ctx.GlobalString(utils.JSpathFlag.Name),
		ctx.GlobalString(utils.RPCCORSDomainFlag.Name),
		client, true)

	// preload user defined JS files into the console
	err = repl.preloadJSFiles(ctx)
	if err != nil {
		utils.Fatalf("%v", err)
	}

	// in case the exec flag holds a JS statement execute it and return
	if script := ctx.GlobalString(utils.ExecFlag.Name); script != "" {
		repl.batch(script)
	} else {
		repl.welcome()
		repl.interactive()
	}
	node.Stop()
}