github.com/yinchengtsinghua/golang-Eos-dpos-Ethereum@v0.0.0-20190121132951-92cc4225ed8e/cmd/puppeth/wizard_intro.go (about)

     1  
     2  //此源码被清华学神尹成大魔王专业翻译分析并修改
     3  //尹成QQ77025077
     4  //尹成微信18510341407
     5  //尹成所在QQ群721929980
     6  //尹成邮箱 yinc13@mails.tsinghua.edu.cn
     7  //尹成毕业于清华大学,微软区块链领域全球最有价值专家
     8  //https://mvp.microsoft.com/zh-cn/PublicProfile/4033620
     9  //版权所有2017 Go Ethereum作者
    10  //此文件是Go以太坊的一部分。
    11  //
    12  //Go以太坊是免费软件：您可以重新发布和/或修改它
    13  //根据GNU通用公共许可证的条款
    14  //自由软件基金会，或者许可证的第3版，或者
    15  //（由您选择）任何更高版本。
    16  //
    17  //Go以太坊的分布希望它会有用，
    18  //但没有任何保证；甚至没有
    19  //适销性或特定用途的适用性。见
    20  //GNU通用公共许可证了解更多详细信息。
    21  //
    22  //你应该已经收到一份GNU通用公共许可证的副本
    23  //一起去以太坊吧。如果没有，请参见<http://www.gnu.org/licenses/>。
    24  
    25  package main
    26  
    27  import (
    28  	"bufio"
    29  	"encoding/json"
    30  	"fmt"
    31  	"io/ioutil"
    32  	"os"
    33  	"path/filepath"
    34  	"strings"
    35  	"sync"
    36  
    37  	"github.com/ethereum/go-ethereum/log"
    38  )
    39  
    40  //
    41  func makeWizard(network string) *wizard {
    42  	return &wizard{
    43  		network: network,
    44  		conf: config{
    45  			Servers: make(map[string][]byte),
    46  		},
    47  		servers:  make(map[string]*sshClient),
    48  		services: make(map[string][]string),
    49  		in:       bufio.NewReader(os.Stdin),
    50  	}
    51  }
    52  
    53  //
    54  //
    55  func (w *wizard) run() {
    56  	fmt.Println("+-----------------------------------------------------------+")
    57  	fmt.Println("| Welcome to puppeth, your Ethereum private network manager |")
    58  	fmt.Println("|                                                           |")
    59  	fmt.Println("| This tool lets you create a new Ethereum network down to  |")
    60  	fmt.Println("| the genesis block, bootnodes, miners and ethstats servers |")
    61  	fmt.Println("| without the hassle that it would normally entail.         |")
    62  	fmt.Println("|                                                           |")
    63  	fmt.Println("| Puppeth uses SSH to dial in to remote servers, and builds |")
    64  	fmt.Println("| its network components out of Docker containers using the |")
    65  	fmt.Println("| docker-compose toolset.                                   |")
    66  	fmt.Println("+-----------------------------------------------------------+")
    67  	fmt.Println()
    68  
    69  //
    70  //
    71  	if w.network == "" {
    72  		fmt.Println("Please specify a network name to administer (no spaces or hyphens, please)")
    73  		for {
    74  			w.network = w.readString()
    75  			if !strings.Contains(w.network, " ") && !strings.Contains(w.network, "-") {
    76  				fmt.Printf("\nSweet, you can set this via --network=%s next time!\n\n", w.network)
    77  				break
    78  			}
    79  			log.Error("I also like to live dangerously, still no spaces or hyphens")
    80  		}
    81  	}
    82  	log.Info("Administering Ethereum network", "name", w.network)
    83  
    84  //
    85  	w.conf.path = filepath.Join(os.Getenv("HOME"), ".puppeth", w.network)
    86  
    87  	blob, err := ioutil.ReadFile(w.conf.path)
    88  	if err != nil {
    89  		log.Warn("No previous configurations found", "path", w.conf.path)
    90  	} else if err := json.Unmarshal(blob, &w.conf); err != nil {
    91  		log.Crit("Previous configuration corrupted", "path", w.conf.path, "err", err)
    92  	} else {
    93  //
    94  		var pend sync.WaitGroup
    95  		for server, pubkey := range w.conf.Servers {
    96  			pend.Add(1)
    97  
    98  			go func(server string, pubkey []byte) {
    99  				defer pend.Done()
   100  
   101  				log.Info("Dialing previously configured server", "server", server)
   102  				client, err := dial(server, pubkey)
   103  				if err != nil {
   104  					log.Error("Previous server unreachable", "server", server, "err", err)
   105  				}
   106  				w.lock.Lock()
   107  				w.servers[server] = client
   108  				w.lock.Unlock()
   109  			}(server, pubkey)
   110  		}
   111  		pend.Wait()
   112  		w.networkStats()
   113  	}
   114  //
   115  	for {
   116  		fmt.Println()
   117  		fmt.Println("What would you like to do? (default = stats)")
   118  		fmt.Println(" 1. Show network stats")
   119  		if w.conf.Genesis == nil {
   120  			fmt.Println(" 2. Configure new genesis")
   121  		} else {
   122  			fmt.Println(" 2. Manage existing genesis")
   123  		}
   124  		if len(w.servers) == 0 {
   125  			fmt.Println(" 3. Track new remote server")
   126  		} else {
   127  			fmt.Println(" 3. Manage tracked machines")
   128  		}
   129  		if len(w.services) == 0 {
   130  			fmt.Println(" 4. Deploy network components")
   131  		} else {
   132  			fmt.Println(" 4. Manage network components")
   133  		}
   134  
   135  		choice := w.read()
   136  		switch {
   137  		case choice == "" || choice == "1":
   138  			w.networkStats()
   139  
   140  		case choice == "2":
   141  			if w.conf.Genesis == nil {
   142  				w.makeGenesis()
   143  			} else {
   144  				w.manageGenesis()
   145  			}
   146  		case choice == "3":
   147  			if len(w.servers) == 0 {
   148  				if w.makeServer() != "" {
   149  					w.networkStats()
   150  				}
   151  			} else {
   152  				w.manageServers()
   153  			}
   154  		case choice == "4":
   155  			if len(w.services) == 0 {
   156  				w.deployComponent()
   157  			} else {
   158  				w.manageComponents()
   159  			}
   160  
   161  		default:
   162  			log.Error("That's not something I can do")
   163  		}
   164  	}
   165  }