1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"encoding/json"
"fmt"
"time"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
)
// deployNode creates a new node configuration based on some user input.
func (w *wizard) deployNode(boot bool) {
// Do some sanity check before the user wastes time on input
if w.conf.Genesis == nil {
log.Error("No genesis block configured")
return
}
if w.conf.ethstats == "" {
log.Error("No ethstats server configured")
return
}
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active node configurations from the server
infos, err := checkNode(client, w.network, boot)
if err != nil {
if boot {
infos = &nodeInfos{portFull: 30303, peersTotal: 512, peersLight: 256}
} else {
infos = &nodeInfos{portFull: 30303, peersTotal: 50, peersLight: 0, gasTarget: 4.7, gasPrice: 18}
}
}
existed := err == nil
infos.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", " ")
infos.network = w.conf.Genesis.Config.ChainId.Int64()
// Figure out where the user wants to store the persistent data
fmt.Println()
if infos.datadir == "" {
fmt.Printf("Where should data be stored on the remote machine?\n")
infos.datadir = w.readString()
} else {
fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
infos.datadir = w.readDefaultString(infos.datadir)
}
if w.conf.Genesis.Config.Ethash != nil && !boot {
fmt.Println()
if infos.ethashdir == "" {
fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine?\n")
infos.ethashdir = w.readString()
} else {
fmt.Printf("Where should the ethash mining DAGs be stored on the remote machine? (default = %s)\n", infos.ethashdir)
infos.ethashdir = w.readDefaultString(infos.ethashdir)
}
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which TCP/UDP port to listen on? (default = %d)\n", infos.portFull)
infos.portFull = w.readDefaultInt(infos.portFull)
// Figure out how many peers to allow (different based on node type)
fmt.Println()
fmt.Printf("How many peers to allow connecting? (default = %d)\n", infos.peersTotal)
infos.peersTotal = w.readDefaultInt(infos.peersTotal)
// Figure out how many light peers to allow (different based on node type)
fmt.Println()
fmt.Printf("How many light peers to allow connecting? (default = %d)\n", infos.peersLight)
infos.peersLight = w.readDefaultInt(infos.peersLight)
// Set a proper name to report on the stats page
fmt.Println()
if infos.ethstats == "" {
fmt.Printf("What should the node be called on the stats page?\n")
infos.ethstats = w.readString() + ":" + w.conf.ethstats
} else {
fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.ethstats)
infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
}
// If the node is a miner/signer, load up needed credentials
if !boot {
if w.conf.Genesis.Config.Ethash != nil {
// Ethash based miners only need an etherbase to mine against
fmt.Println()
if infos.etherbase == "" {
fmt.Printf("What address should the miner user?\n")
for {
if address := w.readAddress(); address != nil {
infos.etherbase = address.Hex()
break
}
}
} else {
fmt.Printf("What address should the miner user? (default = %s)\n", infos.etherbase)
infos.etherbase = w.readDefaultAddress(common.HexToAddress(infos.etherbase)).Hex()
}
} else if w.conf.Genesis.Config.Clique != nil {
// If a previous signer was already set, offer to reuse it
if infos.keyJSON != "" {
if key, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil {
infos.keyJSON, infos.keyPass = "", ""
} else {
fmt.Println()
fmt.Printf("Reuse previous (%s) signing account (y/n)? (default = yes)\n", key.Address.Hex())
if w.readDefaultString("y") != "y" {
infos.keyJSON, infos.keyPass = "", ""
}
}
}
// Clique based signers need a keyfile and unlock password, ask if unavailable
if infos.keyJSON == "" {
fmt.Println()
fmt.Println("Please paste the signer's key JSON:")
infos.keyJSON = w.readJSON()
fmt.Println()
fmt.Println("What's the unlock password for the account? (won't be echoed)")
infos.keyPass = w.readPassword()
if _, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil {
log.Error("Failed to decrypt key with given passphrase")
return
}
}
}
// Establish the gas dynamics to be enforced by the signer
fmt.Println()
fmt.Printf("What gas limit should empty blocks target (MGas)? (default = %0.3f)\n", infos.gasTarget)
infos.gasTarget = w.readDefaultFloat(infos.gasTarget)
fmt.Println()
fmt.Printf("What gas price should the signer require (GWei)? (default = %0.3f)\n", infos.gasPrice)
infos.gasPrice = w.readDefaultFloat(infos.gasPrice)
}
// Try to deploy the full node on the host
nocache := false
if existed {
fmt.Println()
fmt.Printf("Should the node be built from scratch (y/n)? (default = no)\n")
nocache = w.readDefaultString("n") != "n"
}
if out, err := deployNode(client, w.network, w.conf.bootFull, w.conf.bootLight, infos, nocache); err != nil {
log.Error("Failed to deploy Ethereum node container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
log.Info("Waiting for node to finish booting")
time.Sleep(3 * time.Second)
w.networkStats()
}
|
