github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/cmd/puppeth/wizard_node.go (about) 1 // This file is part of the go-sberex library. The go-sberex library is 2 // free software: you can redistribute it and/or modify it under the terms 3 // of the GNU Lesser General Public License as published by the Free 4 // Software Foundation, either version 3 of the License, or (at your option) 5 // any later version. 6 // 7 // The go-sberex library is distributed in the hope that it will be useful, 8 // but WITHOUT ANY WARRANTY; without even the implied warranty of 9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 10 // General Public License <http://www.gnu.org/licenses/> for more details. 11 12 package main 13 14 import ( 15 "encoding/json" 16 "fmt" 17 "time" 18 19 "github.com/Sberex/go-sberex/accounts/keystore" 20 "github.com/Sberex/go-sberex/common" 21 "github.com/Sberex/go-sberex/log" 22 ) 23 24 // deployNode creates a new node configuration based on some user input. 25 func (w *wizard) deployNode(boot bool) { 26 // Do some sanity check before the user wastes time on input 27 if w.conf.Genesis == nil { 28 log.Error("No genesis block configured") 29 return 30 } 31 if w.conf.ethstats == "" { 32 log.Error("No ethstats server configured") 33 return 34 } 35 // Select the server to interact with 36 server := w.selectServer() 37 if server == "" { 38 return 39 } 40 client := w.servers[server] 41 42 // Retrieve any active node configurations from the server 43 infos, err := checkNode(client, w.network, boot) 44 if err != nil { 45 if boot { 46 infos = &nodeInfos{port: 30303, peersTotal: 512, peersLight: 256} 47 } else { 48 infos = &nodeInfos{port: 30303, peersTotal: 50, peersLight: 0, gasTarget: 4.7, gasPrice: 18} 49 } 50 } 51 existed := err == nil 52 53 infos.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", " ") 54 infos.network = w.conf.Genesis.Config.ChainId.Int64() 55 56 // Figure out where the user wants to store the persistent data 57 fmt.Println() 58 if infos.datadir == "" { 59 fmt.Printf("Where should data be stored on the remote machine?\n") 60 infos.datadir = w.readString() 61 } else { 62 fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir) 63 infos.datadir = w.readDefaultString(infos.datadir) 64 } 65 if w.conf.Genesis.Config.Ethash != nil && !boot { 66 fmt.Println() 67 if infos.ethashdir == "" { 68 fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine?\n") 69 infos.ethashdir = w.readString() 70 } else { 71 fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine? (default = %s)\n", infos.ethashdir) 72 infos.ethashdir = w.readDefaultString(infos.ethashdir) 73 } 74 } 75 // Figure out which port to listen on 76 fmt.Println() 77 fmt.Printf("Which TCP/UDP port to listen on? (default = %d)\n", infos.port) 78 infos.port = w.readDefaultInt(infos.port) 79 80 // Figure out how many peers to allow (different based on node type) 81 fmt.Println() 82 fmt.Printf("How many peers to allow connecting? (default = %d)\n", infos.peersTotal) 83 infos.peersTotal = w.readDefaultInt(infos.peersTotal) 84 85 // Figure out how many light peers to allow (different based on node type) 86 fmt.Println() 87 fmt.Printf("How many light peers to allow connecting? (default = %d)\n", infos.peersLight) 88 infos.peersLight = w.readDefaultInt(infos.peersLight) 89 90 // Set a proper name to report on the stats page 91 fmt.Println() 92 if infos.ethstats == "" { 93 fmt.Printf("What should the node be called on the stats page?\n") 94 infos.ethstats = w.readString() + ":" + w.conf.ethstats 95 } else { 96 fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.ethstats) 97 infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats 98 } 99 // If the node is a miner/signer, load up needed credentials 100 if !boot { 101 if w.conf.Genesis.Config.Ethash != nil { 102 // Ethash based miners only need an etherbase to mine against 103 fmt.Println() 104 if infos.etherbase == "" { 105 fmt.Printf("What address should the miner user?\n") 106 for { 107 if address := w.readAddress(); address != nil { 108 infos.etherbase = address.Hex() 109 break 110 } 111 } 112 } else { 113 fmt.Printf("What address should the miner user? (default = %s)\n", infos.etherbase) 114 infos.etherbase = w.readDefaultAddress(common.HexToAddress(infos.etherbase)).Hex() 115 } 116 } else if w.conf.Genesis.Config.Clique != nil { 117 // If a previous signer was already set, offer to reuse it 118 if infos.keyJSON != "" { 119 if key, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil { 120 infos.keyJSON, infos.keyPass = "", "" 121 } else { 122 fmt.Println() 123 fmt.Printf("Reuse previous (%s) signing account (y/n)? (default = yes)\n", key.Address.Hex()) 124 if w.readDefaultString("y") != "y" { 125 infos.keyJSON, infos.keyPass = "", "" 126 } 127 } 128 } 129 // Clique based signers need a keyfile and unlock password, ask if unavailable 130 if infos.keyJSON == "" { 131 fmt.Println() 132 fmt.Println("Please paste the signer's key JSON:") 133 infos.keyJSON = w.readJSON() 134 135 fmt.Println() 136 fmt.Println("What's the unlock password for the account? (won't be echoed)") 137 infos.keyPass = w.readPassword() 138 139 if _, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil { 140 log.Error("Failed to decrypt key with given passphrase") 141 return 142 } 143 } 144 } 145 // Establish the gas dynamics to be enforced by the signer 146 fmt.Println() 147 fmt.Printf("What gas limit should empty blocks target (MGas)? (default = %0.3f)\n", infos.gasTarget) 148 infos.gasTarget = w.readDefaultFloat(infos.gasTarget) 149 150 fmt.Println() 151 fmt.Printf("What gas price should the signer require (GWei)? (default = %0.3f)\n", infos.gasPrice) 152 infos.gasPrice = w.readDefaultFloat(infos.gasPrice) 153 } 154 // Try to deploy the full node on the host 155 nocache := false 156 if existed { 157 fmt.Println() 158 fmt.Printf("Should the node be built from scratch (y/n)? (default = no)\n") 159 nocache = w.readDefaultString("n") != "n" 160 } 161 if out, err := deployNode(client, w.network, w.conf.bootnodes, infos, nocache); err != nil { 162 log.Error("Failed to deploy Sberex node container", "err", err) 163 if len(out) > 0 { 164 fmt.Printf("%s\n", out) 165 } 166 return 167 } 168 // All ok, run a network scan to pick any changes up 169 log.Info("Waiting for node to finish booting") 170 time.Sleep(3 * time.Second) 171 172 w.networkStats() 173 }