github.com/waltonchain/waltonchain_gwtc_src@v1.1.4-0.20201225072101-8a298c95a819/cmd/puppeth/wizard_node.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of go-wtc.
     3  //
     4  // go-wtc 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-wtc 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-wtc. 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/wtc/go-wtc/common"
    25  	"github.com/wtc/go-wtc/log"
    26  )
    27  
    28  // deployNode creates a new node configuration based on some user input.
    29  func (w *wizard) deployNode(boot bool) {
    30  	// Do some sanity check before the user wastes time on input
    31  	if w.conf.genesis == nil {
    32  		log.Error("No genesis block configured")
    33  		return
    34  	}
    35  	if w.conf.ethstats == "" {
    36  		log.Error("No ethstats server configured")
    37  		return
    38  	}
    39  	// Select the server to interact with
    40  	server := w.selectServer()
    41  	if server == "" {
    42  		return
    43  	}
    44  	client := w.servers[server]
    45  
    46  	// Retrieve any active ethstats configurations from the server
    47  	infos, err := checkNode(client, w.network, boot)
    48  	if err != nil {
    49  		if boot {
    50  			infos = &nodeInfos{portFull: 10101, peersTotal: 512, peersLight: 256}
    51  		} else {
    52  			infos = &nodeInfos{portFull: 10101, peersTotal: 50, peersLight: 0, gasTarget: 4.7, gasPrice: 18}
    53  		}
    54  	}
    55  	infos.genesis, _ = json.MarshalIndent(w.conf.genesis, "", "  ")
    56  	infos.network = w.conf.genesis.Config.ChainId.Int64()
    57  
    58  	// Figure out where the user wants to store the persistent data
    59  	fmt.Println()
    60  	if infos.datadir == "" {
    61  		fmt.Printf("Where should data be stored on the remote machine?\n")
    62  		infos.datadir = w.readString()
    63  	} else {
    64  		fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
    65  		infos.datadir = w.readDefaultString(infos.datadir)
    66  	}
    67  	// Figure out which port to listen on
    68  	fmt.Println()
    69  	fmt.Printf("Which TCP/UDP port to listen on? (default = %d)\n", infos.portFull)
    70  	infos.portFull = w.readDefaultInt(infos.portFull)
    71  
    72  	// Figure out how many peers to allow (different based on node type)
    73  	fmt.Println()
    74  	fmt.Printf("How many peers to allow connecting? (default = %d)\n", infos.peersTotal)
    75  	infos.peersTotal = w.readDefaultInt(infos.peersTotal)
    76  
    77  	// Figure out how many light peers to allow (different based on node type)
    78  	fmt.Println()
    79  	fmt.Printf("How many light peers to allow connecting? (default = %d)\n", infos.peersLight)
    80  	infos.peersLight = w.readDefaultInt(infos.peersLight)
    81  
    82  	// Set a proper name to report on the stats page
    83  	fmt.Println()
    84  	if infos.ethstats == "" {
    85  		fmt.Printf("What should the node be called on the stats page?\n")
    86  		infos.ethstats = w.readString() + ":" + w.conf.ethstats
    87  	} else {
    88  		fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.ethstats)
    89  		infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
    90  	}
    91  	// If the node is a miner/signer, load up needed credentials
    92  	if !boot {
    93  		if w.conf.genesis.Config.Ethash != nil {
    94  			// Ethash based miners only need an etherbase to mine against
    95  			fmt.Println()
    96  			if infos.etherbase == "" {
    97  				fmt.Printf("What address should the miner user?\n")
    98  				for {
    99  					if address := w.readAddress(); address != nil {
   100  						infos.etherbase = address.Hex()
   101  						break
   102  					}
   103  				}
   104  			} else {
   105  				fmt.Printf("What address should the miner user? (default = %s)\n", infos.etherbase)
   106  				infos.etherbase = w.readDefaultAddress(common.HexToAddress(infos.etherbase)).Hex()
   107  			}
   108  		} 
   109  		// Establish the gas dynamics to be enforced by the signer
   110  		fmt.Println()
   111  		fmt.Printf("What gas limit should empty blocks target (MGas)? (default = %0.3f)\n", infos.gasTarget)
   112  		infos.gasTarget = w.readDefaultFloat(infos.gasTarget)
   113  
   114  		fmt.Println()
   115  		fmt.Printf("What gas price should the signer require (GWei)? (default = %0.3f)\n", infos.gasPrice)
   116  		infos.gasPrice = w.readDefaultFloat(infos.gasPrice)
   117  	}
   118  	// Try to deploy the full node on the host
   119  	if out, err := deployNode(client, w.network, w.conf.bootFull, w.conf.bootLight, infos); err != nil {
   120  		log.Error("Failed to deploy Wtc node container", "err", err)
   121  		if len(out) > 0 {
   122  			fmt.Printf("%s\n", out)
   123  		}
   124  		return
   125  	}
   126  	// All ok, run a network scan to pick any changes up
   127  	log.Info("Waiting for node to finish booting")
   128  	time.Sleep(3 * time.Second)
   129  
   130  	w.networkStats(false)
   131  }