github.com/tyler-smith/go-ethereum@v1.9.7/cmd/puppeth/wizard_explorer.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-ethereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package main
    18  
    19  import (
    20  	"encoding/json"
    21  	"fmt"
    22  	"time"
    23  
    24  	"github.com/ethereum/go-ethereum/log"
    25  )
    26  
    27  // deployExplorer creates a new block explorer based on some user input.
    28  func (w *wizard) deployExplorer() {
    29  	// Do some sanity check before the user wastes time on input
    30  	if w.conf.Genesis == nil {
    31  		log.Error("No genesis block configured")
    32  		return
    33  	}
    34  	if w.conf.ethstats == "" {
    35  		log.Error("No ethstats server configured")
    36  		return
    37  	}
    38  	// Select the server to interact with
    39  	server := w.selectServer()
    40  	if server == "" {
    41  		return
    42  	}
    43  	client := w.servers[server]
    44  
    45  	// Retrieve any active node configurations from the server
    46  	infos, err := checkExplorer(client, w.network)
    47  	if err != nil {
    48  		infos = &explorerInfos{
    49  			node: &nodeInfos{port: 30303},
    50  			port: 80,
    51  			host: client.server,
    52  		}
    53  	}
    54  	existed := err == nil
    55  
    56  	infos.node.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", "  ")
    57  	infos.node.network = w.conf.Genesis.Config.ChainID.Int64()
    58  
    59  	// Figure out which port to listen on
    60  	fmt.Println()
    61  	fmt.Printf("Which port should the explorer listen on? (default = %d)\n", infos.port)
    62  	infos.port = w.readDefaultInt(infos.port)
    63  
    64  	// Figure which virtual-host to deploy ethstats on
    65  	if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
    66  		log.Error("Failed to decide on explorer host", "err", err)
    67  		return
    68  	}
    69  	// Figure out where the user wants to store the persistent data
    70  	fmt.Println()
    71  	if infos.node.datadir == "" {
    72  		fmt.Printf("Where should node data be stored on the remote machine?\n")
    73  		infos.node.datadir = w.readString()
    74  	} else {
    75  		fmt.Printf("Where should node data be stored on the remote machine? (default = %s)\n", infos.node.datadir)
    76  		infos.node.datadir = w.readDefaultString(infos.node.datadir)
    77  	}
    78  	// Figure out where the user wants to store the persistent data for backend database
    79  	fmt.Println()
    80  	if infos.dbdir == "" {
    81  		fmt.Printf("Where should postgres data be stored on the remote machine?\n")
    82  		infos.dbdir = w.readString()
    83  	} else {
    84  		fmt.Printf("Where should postgres data be stored on the remote machine? (default = %s)\n", infos.dbdir)
    85  		infos.dbdir = w.readDefaultString(infos.dbdir)
    86  	}
    87  	// Figure out which port to listen on
    88  	fmt.Println()
    89  	fmt.Printf("Which TCP/UDP port should the archive node listen on? (default = %d)\n", infos.node.port)
    90  	infos.node.port = w.readDefaultInt(infos.node.port)
    91  
    92  	// Set a proper name to report on the stats page
    93  	fmt.Println()
    94  	if infos.node.ethstats == "" {
    95  		fmt.Printf("What should the explorer be called on the stats page?\n")
    96  		infos.node.ethstats = w.readString() + ":" + w.conf.ethstats
    97  	} else {
    98  		fmt.Printf("What should the explorer be called on the stats page? (default = %s)\n", infos.node.ethstats)
    99  		infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats
   100  	}
   101  	// Try to deploy the explorer on the host
   102  	nocache := false
   103  	if existed {
   104  		fmt.Println()
   105  		fmt.Printf("Should the explorer be built from scratch (y/n)? (default = no)\n")
   106  		nocache = w.readDefaultYesNo(false)
   107  	}
   108  	if out, err := deployExplorer(client, w.network, w.conf.bootnodes, infos, nocache, w.conf.Genesis.Config.Clique != nil); err != nil {
   109  		log.Error("Failed to deploy explorer container", "err", err)
   110  		if len(out) > 0 {
   111  			fmt.Printf("%s\n", out)
   112  		}
   113  		return
   114  	}
   115  	// All ok, run a network scan to pick any changes up
   116  	log.Info("Waiting for node to finish booting")
   117  	time.Sleep(3 * time.Second)
   118  
   119  	w.networkStats()
   120  }