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
|
package utils
import (
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethminer"
"github.com/ethereum/eth-go/ethpub"
"github.com/ethereum/eth-go/ethrpc"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethlog"
"log"
"io"
"path"
"os"
"os/signal"
"fmt"
"time"
"strings"
)
var logger = ethlog.NewLogger("CLI")
// Register interrupt handlers
func RegisterInterrupt(cb func(os.Signal)) {
go func() {
// Buffered chan of one is enough
c := make(chan os.Signal, 1)
// Notify about interrupts for now
signal.Notify(c, os.Interrupt)
for sig := range c {
cb(sig)
}
}()
}
func AbsolutePath(Datadir string, filename string) string {
if path.IsAbs(filename) {
return filename
}
return path.Join(Datadir, filename)
}
func openLogFile (Datadir string, filename string) *os.File {
path := AbsolutePath(Datadir, filename)
file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
}
return file
}
func confirm (message string) bool {
fmt.Println(message, "Are you sure? (y/n)")
var r string
fmt.Scanln(&r)
for ; ; fmt.Scanln(&r) {
if r == "n" || r == "y" {
break
} else {
fmt.Printf("Yes or no?", r)
}
}
return r == "y"
}
func InitDataDir(Datadir string) {
_, err := os.Stat(Datadir)
if err != nil {
if os.IsNotExist(err) {
fmt.Printf("Debug logging directory '%s' doesn't exist, creating it\n", Datadir)
os.Mkdir(Datadir, 0777)
}
}
}
func InitLogging (Datadir string, LogFile string, LogLevel int, DebugFile string) {
var writer io.Writer
if LogFile == "" {
writer = os.Stdout
} else {
writer = openLogFile(Datadir, LogFile)
}
ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.LogLevel(LogLevel)))
if DebugFile != "" {
writer = openLogFile(Datadir, DebugFile)
ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.DebugLevel))
}
}
func InitConfig(ConfigFile string, Datadir string, Identifier string, EnvPrefix string) {
ethutil.ReadConfig(ConfigFile, Datadir, Identifier, EnvPrefix)
ethutil.Config.Set("rpcport", "700")
}
func exit(status int) {
ethlog.Flush()
os.Exit(status)
}
func NewEthereum(UseUPnP bool, OutboundPort string, MaxPeer int) *eth.Ethereum {
ethereum, err := eth.New(eth.CapDefault, UseUPnP)
if err != nil {
logger.Fatalln("eth start err:", err)
}
ethereum.Port = OutboundPort
ethereum.MaxPeers = MaxPeer
return ethereum
}
func StartEthereum(ethereum *eth.Ethereum, UseSeed bool) {
logger.Infof("Starting Ethereum v%s", ethutil.Config.Ver)
ethereum.Start(UseSeed)
// Wait for shutdown
ethereum.WaitForShutdown()
RegisterInterrupt(func(sig os.Signal) {
logger.Errorf("Shutting down (%v) ... \n", sig)
ethereum.Stop()
ethlog.Flush()
})
}
func ShowGenesis(ethereum *eth.Ethereum) {
logger.Infoln(ethereum.BlockChain().Genesis())
exit(0)
}
func KeyTasks(GenAddr bool, ImportKey string, ExportKey bool, NonInteractive bool) {
switch {
case GenAddr:
if NonInteractive || confirm("This action overwrites your old private key.") {
CreateKeyPair(true)
}
exit(0)
case len(ImportKey) > 0:
if NonInteractive || confirm("This action overwrites your old private key.") {
// import should be from file
mnemonic := strings.Split(ImportKey, " ")
if len(mnemonic) == 24 {
logger.Infoln("Got mnemonic key, importing.")
key := ethutil.MnemonicDecode(mnemonic)
ImportPrivateKey(key)
} else if len(mnemonic) == 1 {
logger.Infoln("Got hex key, importing.")
ImportPrivateKey(ImportKey)
} else {
logger.Errorln("Did not recognise format, exiting.")
}
}
exit(0)
case ExportKey: // this should be exporting to a filename
keyPair := ethutil.GetKeyRing().Get(0)
fmt.Printf(`
Generating new address and keypair.
Please keep your keys somewhere save.
++++++++++++++++ KeyRing +++++++++++++++++++
addr: %x
prvk: %x
pubk: %x
++++++++++++++++++++++++++++++++++++++++++++
save these words so you can restore your account later: %s
`, keyPair.Address(), keyPair.PrivateKey, keyPair.PublicKey)
exit(0)
default:
// Creates a keypair if none exists
CreateKeyPair(false)
}
}
func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
var err error
ethereum.RpcServer, err = ethrpc.NewJsonRpcServer(ethpub.NewPEthereum(ethereum), RpcPort)
if err != nil {
logger.Errorf("Could not start RPC interface (port %v): %v", RpcPort, err)
} else {
go ethereum.RpcServer.Start()
RegisterInterrupt(func(os.Signal) {
ethereum.RpcServer.Stop()
})
}
}
var miner ethminer.Miner
func StartMining(ethereum *eth.Ethereum) bool {
if !ethereum.Mining {
ethereum.Mining = true
if ethutil.GetKeyRing().Len() == 0 {
logger.Errorln("No address found, can't start mining")
ethereum.Mining = false
return true //????
}
keyPair := ethutil.GetKeyRing().Get(0)
addr := keyPair.Address()
go func() {
miner = ethminer.NewDefaultMiner(addr, ethereum)
// Give it some time to connect with peers
time.Sleep(3 * time.Second)
logger.Infoln("Miner started")
miner := ethminer.NewDefaultMiner(addr, ethereum)
miner.Start()
}()
RegisterInterrupt(func(os.Signal) {
StopMining(ethereum)
})
return true
}
return false
}
func StopMining(ethereum *eth.Ethereum) bool {
if ethereum.Mining {
miner.Stop()
logger.Infoln("Miner stopped")
ethereum.Mining = false
return true
}
return false
}
|
