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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"bufio"
"bytes"
"fmt"
"os"
"strings"
"github.com/spf13/cobra"
"github.com/algorand/go-algorand/cmd/util/datadir"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/crypto/passphrase"
"github.com/algorand/go-algorand/daemon/kmd/lib/kmdapi"
)
var (
recoverWallet bool
defaultWalletName string
)
func init() {
walletCmd.AddCommand(newWalletCmd)
walletCmd.AddCommand(listWalletsCmd)
// Default wallet to use when -w not specified
walletCmd.Flags().StringVarP(&defaultWalletName, "default", "f", "", "Set the wallet with this name to be the default wallet")
// Should we recover the wallet?
newWalletCmd.Flags().BoolVarP(&recoverWallet, "recover", "r", false, "Recover the wallet from the backup mnemonic provided at wallet creation (NOT the mnemonic provided by goal account export or by algokey). Regenerate accounts in the wallet with `goal account new`")
}
var walletCmd = &cobra.Command{
Use: "wallet",
Short: "Manage wallets: encrypted collections of Algorand account keys",
Args: validateNoPosArgsFn,
Run: func(cmd *cobra.Command, args []string) {
// Update the default wallet
if defaultWalletName != "" {
dataDir := datadir.EnsureSingleDataDir()
accountList := makeAccountsList(dataDir)
// Check that the new default wallet exists and isn't a duplicate
client := ensureKmdClient(dataDir)
wid, dup, err := client.FindWalletIDByName([]byte(defaultWalletName))
if err != nil {
reportErrorf(errFindingWallet, defaultWalletName)
}
if dup {
reportErrorf(errWalletNameAmbiguous, defaultWalletName)
}
if len(wid) == 0 {
reportErrorf(errWalletNotFound, defaultWalletName)
}
// Set this wallet to be the default
accountList.setDefaultWalletID(wid)
reportInfof(infoSetWalletToDefault, defaultWalletName)
os.Exit(0)
}
cmd.HelpFunc()(cmd, args)
},
}
var newWalletCmd = &cobra.Command{
Use: "new [wallet name]",
Short: "Create a new wallet",
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
var err error
dataDir := datadir.EnsureSingleDataDir()
accountList := makeAccountsList(dataDir)
client := ensureKmdClient(dataDir)
walletName := []byte(args[0])
reader := bufio.NewReader(os.Stdin)
// Check if we should recover the wallet from a mnemonic
var mdk crypto.MasterDerivationKey
if recoverWallet {
fmt.Println(infoRecoveryPrompt)
resp, err := reader.ReadString('\n')
resp = strings.TrimSpace(resp)
if err != nil {
reportErrorf(errorFailedToReadResponse, err)
}
var key []byte
key, err = passphrase.MnemonicToKey(resp)
if err != nil {
reportErrorf(errorBadMnemonic, err)
}
// Copy the recovered key into the mdk
n := copy(mdk[:], key)
if n != len(mdk) {
reportErrorln(errorBadRecoveredKey)
}
}
// Fetch a password for the wallet
fmt.Printf(infoChoosePasswordPrompt, walletName)
walletPassword := ensurePassword()
// Confirm the password
fmt.Printf(infoPasswordConfirmation)
passwordConfirmation := ensurePassword()
// Check the password confirmation
if !bytes.Equal(walletPassword, passwordConfirmation) {
reportErrorln(errorPasswordConfirmation)
}
// Create the wallet
reportInfoln(infoCreatingWallet)
walletID, err := client.CreateWallet(walletName, walletPassword, mdk)
if err != nil {
reportErrorf(errorCouldntCreateWallet, err)
}
reportInfof(infoCreatedWallet, walletName)
if !recoverWallet {
// Offer to print backup seed
fmt.Printf(infoBackupExplanation)
resp, err := reader.ReadString('\n')
resp = strings.TrimSpace(resp)
if err != nil {
reportErrorf(errorFailedToReadResponse, err)
}
if strings.ToLower(resp) != "n" {
// Get a wallet handle token
token, err := client.GetWalletHandleToken(walletID, walletPassword)
if err != nil {
reportErrorf(errorCouldntInitializeWallet, err)
}
// Invalidate the handle when we're done with it
defer client.ReleaseWalletHandle(token)
// Export the master derivation key
mdk, err := client.ExportMasterDerivationKey(token, walletPassword)
if err != nil {
reportErrorf(errorCouldntExportMDK, err)
}
// Convert the key to a mnemonic
mnemonic, err := passphrase.KeyToMnemonic(mdk[:])
if err != nil {
reportErrorf(errorCouldntMakeMnemonic, err)
}
// Display the mnemonic to the user
reportInfoln(infoPrintedBackupPhrase)
reportInfof(infoBackupPhrase, mnemonic)
}
}
// Check if we're the only wallet
wallets, err := client.ListWallets()
if err != nil {
reportErrorf(errorCouldntListWallets, err)
}
// We are the only wallet -- make us the default
if len(wallets) == 1 {
accountList.setDefaultWalletID(walletID)
}
},
}
var listWalletsCmd = &cobra.Command{
Use: "list",
Short: "List wallets managed by kmd",
Args: validateNoPosArgsFn,
Run: func(cmd *cobra.Command, _ []string) {
datadir.OnDataDirs(func(dataDir string) {
client := ensureKmdClient(dataDir)
wallets, err := client.ListWallets()
if err != nil {
reportErrorf(errorCouldntListWallets, err)
}
printWallets(dataDir, wallets)
})
},
}
func printWallets(dataDir string, wallets []kmdapi.APIV1Wallet) {
accountList := makeAccountsList(dataDir)
defaultWalletID := string(accountList.getDefaultWalletID())
if len(wallets) == 0 {
reportInfoln(infoNoWallets)
return
}
for _, w := range wallets {
// Append an indicator to the wallet name if it's the default
var defaultIndicator string
if w.ID == defaultWalletID {
defaultIndicator = " (default)"
}
// Print the wallet information
fmt.Println(strings.Repeat("#", 50))
fmt.Printf("Wallet:\t%s%s\n", w.Name, defaultIndicator)
fmt.Printf("ID:\t%s\n", w.ID)
}
fmt.Println(strings.Repeat("#", 50))
}
|
