179 lines
6.2 KiB
Go
179 lines
6.2 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"encoding/json"
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"fmt"
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"time"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/log"
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)
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// deployNode creates a new node configuration based on some user input.
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func (w *wizard) deployNode(boot bool) {
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// Do some sanity check before the user wastes time on input
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if w.conf.Genesis == nil {
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log.Error("No genesis block configured")
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return
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}
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if w.conf.ethstats == "" {
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log.Error("No ethstats server configured")
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return
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}
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// Select the server to interact with
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server := w.selectServer()
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if server == "" {
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return
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}
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client := w.servers[server]
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// Retrieve any active node configurations from the server
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infos, err := checkNode(client, w.network, boot)
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if err != nil {
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if boot {
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infos = &nodeInfos{portFull: 30303, peersTotal: 512, peersLight: 256}
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} else {
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infos = &nodeInfos{portFull: 30303, peersTotal: 50, peersLight: 0, gasTarget: 4.7, gasPrice: 18}
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}
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}
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existed := err == nil
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infos.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", " ")
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infos.network = w.conf.Genesis.Config.ChainId.Int64()
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// Figure out where the user wants to store the persistent data
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fmt.Println()
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if infos.datadir == "" {
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fmt.Printf("Where should data be stored on the remote machine?\n")
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infos.datadir = w.readString()
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} else {
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fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
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infos.datadir = w.readDefaultString(infos.datadir)
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}
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if w.conf.Genesis.Config.Ethash != nil && !boot {
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fmt.Println()
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if infos.ethashdir == "" {
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fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine?\n")
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infos.ethashdir = w.readString()
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} else {
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fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine? (default = %s)\n", infos.ethashdir)
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infos.ethashdir = w.readDefaultString(infos.ethashdir)
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}
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}
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// Figure out which port to listen on
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fmt.Println()
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fmt.Printf("Which TCP/UDP port to listen on? (default = %d)\n", infos.portFull)
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infos.portFull = w.readDefaultInt(infos.portFull)
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// Figure out how many peers to allow (different based on node type)
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fmt.Println()
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fmt.Printf("How many peers to allow connecting? (default = %d)\n", infos.peersTotal)
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infos.peersTotal = w.readDefaultInt(infos.peersTotal)
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// Figure out how many light peers to allow (different based on node type)
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fmt.Println()
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fmt.Printf("How many light peers to allow connecting? (default = %d)\n", infos.peersLight)
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infos.peersLight = w.readDefaultInt(infos.peersLight)
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// Set a proper name to report on the stats page
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fmt.Println()
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if infos.ethstats == "" {
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fmt.Printf("What should the node be called on the stats page?\n")
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infos.ethstats = w.readString() + ":" + w.conf.ethstats
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} else {
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fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.ethstats)
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infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
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}
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// If the node is a miner/signer, load up needed credentials
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if !boot {
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if w.conf.Genesis.Config.Ethash != nil {
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// Ethash based miners only need an etherbase to mine against
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fmt.Println()
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if infos.etherbase == "" {
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fmt.Printf("What address should the miner user?\n")
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for {
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if address := w.readAddress(); address != nil {
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infos.etherbase = address.Hex()
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break
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}
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}
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} else {
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fmt.Printf("What address should the miner user? (default = %s)\n", infos.etherbase)
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infos.etherbase = w.readDefaultAddress(common.HexToAddress(infos.etherbase)).Hex()
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}
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} else if w.conf.Genesis.Config.Clique != nil {
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// If a previous signer was already set, offer to reuse it
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if infos.keyJSON != "" {
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if key, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil {
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infos.keyJSON, infos.keyPass = "", ""
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} else {
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fmt.Println()
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fmt.Printf("Reuse previous (%s) signing account (y/n)? (default = yes)\n", key.Address.Hex())
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if w.readDefaultString("y") != "y" {
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infos.keyJSON, infos.keyPass = "", ""
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}
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}
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}
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// Clique based signers need a keyfile and unlock password, ask if unavailable
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if infos.keyJSON == "" {
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fmt.Println()
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fmt.Println("Please paste the signer's key JSON:")
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infos.keyJSON = w.readJSON()
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fmt.Println()
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fmt.Println("What's the unlock password for the account? (won't be echoed)")
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infos.keyPass = w.readPassword()
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if _, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil {
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log.Error("Failed to decrypt key with given passphrase")
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return
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}
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}
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}
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// Establish the gas dynamics to be enforced by the signer
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fmt.Println()
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fmt.Printf("What gas limit should empty blocks target (MGas)? (default = %0.3f)\n", infos.gasTarget)
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infos.gasTarget = w.readDefaultFloat(infos.gasTarget)
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fmt.Println()
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fmt.Printf("What gas price should the signer require (GWei)? (default = %0.3f)\n", infos.gasPrice)
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infos.gasPrice = w.readDefaultFloat(infos.gasPrice)
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}
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// Try to deploy the full node on the host
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nocache := false
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if existed {
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fmt.Println()
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fmt.Printf("Should the node be built from scratch (y/n)? (default = no)\n")
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nocache = w.readDefaultString("n") != "n"
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}
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if out, err := deployNode(client, w.network, w.conf.bootFull, w.conf.bootLight, infos, nocache); err != nil {
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log.Error("Failed to deploy Ethereum node container", "err", err)
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if len(out) > 0 {
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fmt.Printf("%s\n", out)
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}
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return
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}
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// All ok, run a network scan to pick any changes up
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log.Info("Waiting for node to finish booting")
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time.Sleep(3 * time.Second)
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w.networkStats()
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}
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