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
|
package main
import (
"fmt"
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"github.com/ethereum/go-ethereum/ui"
"github.com/niemeyer/qml"
"github.com/obscuren/secp256k1-go"
"log"
"os"
"os/signal"
"runtime"
)
const Debug = true
// Register interrupt handlers so we can stop the ethereum
func RegisterInterupts(s *eth.Ethereum) {
// Buffered chan of one is enough
c := make(chan os.Signal, 1)
// Notify about interrupts for now
signal.Notify(c, os.Interrupt)
go func() {
for sig := range c {
fmt.Printf("Shutting down (%v) ... \n", sig)
s.Stop()
}
}()
}
func CreateKeyPair(force bool) {
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
if len(data) == 0 || force {
pub, prv := secp256k1.GenerateKeyPair()
pair := ðutil.Key{PrivateKey: prv, PublicKey: pub}
ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
fmt.Printf(`
Generating new address and keypair.
Please keep your keys somewhere save.
++++++++++++++++ KeyRing +++++++++++++++++++
addr: %x
prvk: %x
pubk: %x
++++++++++++++++++++++++++++++++++++++++++++
`, pair.Address(), prv, pub)
}
}
func ImportPrivateKey(prvKey string) {
key := ethutil.FromHex(prvKey)
msg := []byte("tmp")
// Couldn't think of a better way to get the pub key
sig, _ := secp256k1.Sign(msg, key)
pub, _ := secp256k1.RecoverPubkey(msg, sig)
pair := ðutil.Key{PrivateKey: key, PublicKey: pub}
ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
fmt.Printf(`
Importing private key
++++++++++++++++ KeyRing +++++++++++++++++++
addr: %x
prvk: %x
pubk: %x
++++++++++++++++++++++++++++++++++++++++++++
`, pair.Address(), key, pub)
}
func main() {
Init()
// Qt has to be initialized in the main thread or it will throw errors
// It has to be called BEFORE setting the maximum procs.
if UseGui {
qml.Init(nil)
}
runtime.GOMAXPROCS(runtime.NumCPU())
ethchain.InitFees()
ethutil.ReadConfig(DataDir)
ethutil.Config.Seed = UseSeed
// Instantiated a eth stack
ethereum, err := eth.New(eth.CapDefault, UseUPnP)
if err != nil {
log.Println("eth start err:", err)
return
}
ethereum.Port = OutboundPort
if GenAddr {
fmt.Println("This action overwrites your old private key. 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)
}
}
if r == "y" {
CreateKeyPair(true)
}
os.Exit(0)
} else {
if len(ImportKey) > 0 {
fmt.Println("This action overwrites your old private key. 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)
}
}
if r == "y" {
ImportPrivateKey(ImportKey)
os.Exit(0)
}
} else {
CreateKeyPair(false)
}
}
if ExportKey {
key := ethutil.Config.Db.GetKeys()[0]
fmt.Printf("%x\n", key.PrivateKey)
os.Exit(0)
}
if ShowGenesis {
fmt.Println(ethereum.BlockChain().Genesis())
os.Exit(0)
}
log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver)
// Set the max peers
ethereum.MaxPeers = MaxPeer
if StartConsole {
err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
// Error is OK if the error is ErrExist
if err != nil && !os.IsExist(err) {
log.Panic("Unable to create EXECPATH:", err)
}
console := NewConsole(ethereum)
go console.Start()
}
if UseGui {
gui := ethui.New(ethereum)
gui.Start()
//ethereum.Stop()
} else {
RegisterInterupts(ethereum)
ethereum.Start()
if StartMining {
log.Printf("Miner started\n")
// Fake block mining. It broadcasts a new block every 5 seconds
go func() {
pow := ðchain.EasyPow{}
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
keyRing := ethutil.NewValueFromBytes(data)
addr := keyRing.Get(1).Bytes()
for {
txs := ethereum.TxPool().Flush()
// Create a new block which we're going to mine
block := ethereum.BlockChain().NewBlock(addr, txs)
log.Println("Mining on new block. Includes", len(block.Transactions()), "transactions")
// Apply all transactions to the block
ethereum.StateManager().ApplyTransactions(block, block.Transactions())
ethereum.StateManager().AccumelateRewards(block, block)
// Search the nonce
block.Nonce = pow.Search(block)
ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})
err := ethereum.StateManager().ProcessBlock(block)
if err != nil {
log.Println(err)
} else {
//log.Println("\n+++++++ MINED BLK +++++++\n", ethereum.BlockChain().CurrentBlock)
log.Printf("🔨 Mined block %x\n", block.Hash())
}
}
}()
}
// Wait for shutdown
ethereum.WaitForShutdown()
}
}
|
