aboutsummaryrefslogtreecommitdiffstats
path: root/cmd/puppeth/wizard_faucet.go
blob: 71d1c910bbc99b3ba6adc23d463436d17beaa755 (plain) (blame)
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
// 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"
    "net/http"

    "github.com/ethereum/go-ethereum/accounts/keystore"
    "github.com/ethereum/go-ethereum/log"
)

// deployFaucet queries the user for various input on deploying a faucet, after
// which it executes it.
func (w *wizard) deployFaucet() {
    // Select the server to interact with
    server := w.selectServer()
    if server == "" {
        return
    }
    client := w.servers[server]

    // Retrieve any active faucet configurations from the server
    infos, err := checkFaucet(client, w.network)
    if err != nil {
        infos = &faucetInfos{
            node:    &nodeInfos{portFull: 30303, peersTotal: 25},
            port:    80,
            host:    client.server,
            amount:  1,
            minutes: 1440,
        }
    }
    infos.node.genesis, _ = json.MarshalIndent(w.conf.genesis, "", "  ")
    infos.node.network = w.conf.genesis.Config.ChainId.Int64()

    // Figure out which port to listen on
    fmt.Println()
    fmt.Printf("Which port should the faucet listen on? (default = %d)\n", infos.port)
    infos.port = w.readDefaultInt(infos.port)

    // Figure which virtual-host to deploy ethstats on
    if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
        log.Error("Failed to decide on faucet host", "err", err)
        return
    }
    // Port and proxy settings retrieved, figure out the funcing amount per perdion configurations
    fmt.Println()
    fmt.Printf("How many Ethers to release per request? (default = %d)\n", infos.amount)
    infos.amount = w.readDefaultInt(infos.amount)

    fmt.Println()
    fmt.Printf("How many minutes to enforce between requests? (default = %d)\n", infos.minutes)
    infos.minutes = w.readDefaultInt(infos.minutes)

    // Accessing GitHub gists requires API authorization, retrieve it
    if infos.githubUser != "" {
        fmt.Println()
        fmt.Printf("Reused previous (%s) GitHub API authorization (y/n)? (default = yes)\n", infos.githubUser)
        if w.readDefaultString("y") != "y" {
            infos.githubUser, infos.githubToken = "", ""
        }
    }
    if infos.githubUser == "" {
        // No previous authorization (or new one requested)
        fmt.Println()
        fmt.Println("Which GitHub user to verify Gists through?")
        infos.githubUser = w.readString()

        fmt.Println()
        fmt.Println("What is the GitHub personal access token of the user? (won't be echoed)")
        infos.githubToken = w.readPassword()

        // Do a sanity check query against github to ensure it's valid
        req, _ := http.NewRequest("GET", "https://api.github.com/user", nil)
        req.SetBasicAuth(infos.githubUser, infos.githubToken)
        res, err := http.DefaultClient.Do(req)
        if err != nil {
            log.Error("Failed to verify GitHub authentication", "err", err)
            return
        }
        defer res.Body.Close()

        var msg struct {
            Login   string `json:"login"`
            Message string `json:"message"`
        }
        if err = json.NewDecoder(res.Body).Decode(&msg); err != nil {
            log.Error("Failed to decode authorization response", "err", err)
            return
        }
        if msg.Login != infos.githubUser {
            log.Error("GitHub authorization failed", "user", infos.githubUser, "message", msg.Message)
            return
        }
    }
    // Figure out where the user wants to store the persistent data
    fmt.Println()
    if infos.node.datadir == "" {
        fmt.Printf("Where should data be stored on the remote machine?\n")
        infos.node.datadir = w.readString()
    } else {
        fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.node.datadir)
        infos.node.datadir = w.readDefaultString(infos.node.datadir)
    }
    // Figure out which port to listen on
    fmt.Println()
    fmt.Printf("Which TCP/UDP port should the light client listen on? (default = %d)\n", infos.node.portFull)
    infos.node.portFull = w.readDefaultInt(infos.node.portFull)

    // Set a proper name to report on the stats page
    fmt.Println()
    if infos.node.ethstats == "" {
        fmt.Printf("What should the node be called on the stats page?\n")
        infos.node.ethstats = w.readString() + ":" + w.conf.ethstats
    } else {
        fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.node.ethstats)
        infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats
    }
    // Load up the credential needed to release funds
    if infos.node.keyJSON != "" {
        var key keystore.Key
        if err := json.Unmarshal([]byte(infos.node.keyJSON), &key); err != nil {
            infos.node.keyJSON, infos.node.keyPass = "", ""
        } else {
            fmt.Println()
            fmt.Printf("Reuse previous (%s) funding account (y/n)? (default = yes)\n", key.Address.Hex())
            if w.readDefaultString("y") != "y" {
                infos.node.keyJSON, infos.node.keyPass = "", ""
            }
        }
    }
    if infos.node.keyJSON == "" {
        fmt.Println()
        fmt.Println("Please paste the faucet's funding account key JSON:")
        infos.node.keyJSON = w.readJSON()

        fmt.Println()
        fmt.Println("What's the unlock password for the account? (won't be echoed)")
        infos.node.keyPass = w.readPassword()

        if _, err := keystore.DecryptKey([]byte(infos.node.keyJSON), infos.node.keyPass); err != nil {
            log.Error("Failed to decrypt key with given passphrase")
            return
        }
    }
    // Try to deploy the faucet server on the host
    if out, err := deployFaucet(client, w.network, w.conf.bootLight, infos); err != nil {
        log.Error("Failed to deploy faucet container", "err", err)
        if len(out) > 0 {
            fmt.Printf("%s\n", out)
        }
        return
    }
    // All ok, run a network scan to pick any changes up
    w.networkStats(false)
}