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
|
// Copyright 2019 The dexon-consensus Authors
// This file is part of the dexon-consensus library.
//
// The dexon-consensus library is free software: you can redistribute it
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The dexon-consensus library 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 Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the dexon-consensus library. If not, see
// <http://www.gnu.org/licenses/>.
package utils
import (
"bufio"
"context"
"encoding/hex"
"fmt"
"io"
"math"
"math/big"
"os"
"github.com/dexon-foundation/dexon"
"github.com/dexon-foundation/dexon/cmd/zoo/client"
"github.com/dexon-foundation/dexon/crypto"
)
type ShutdownConfig struct {
Key string
Endpoint string
File string
Batch bool
}
func Shutdown(config *ShutdownConfig) {
privKey, err := crypto.LoadECDSA(config.Key)
if err != nil {
panic(err)
}
addr := crypto.PubkeyToAddress(privKey.PublicKey)
cl, err := client.New(config.Endpoint)
if err != nil {
panic(err)
}
file, err := os.Open(config.File)
if err != nil {
panic(err)
}
defer file.Close()
ctxs := make([]*client.TransferContext, 0)
reader := bufio.NewReader(file)
for {
buf, err := reader.ReadString('\n')
if err == io.EOF {
break
}
if err != nil {
panic(err)
}
buf = buf[:len(buf)-1]
key, err := hex.DecodeString(buf)
if err != nil {
panic(err)
}
prvKey, err := crypto.ToECDSA(key)
if err != nil {
panic(err)
}
balance, err := cl.BalanceAt(context.Background(),
crypto.PubkeyToAddress(prvKey.PublicKey), nil)
if err != nil {
panic(err)
}
gasLimit, err := cl.EstimateGas(context.Background(), dexon.CallMsg{})
if err != nil {
panic(err)
}
gasPrice, err := cl.SuggestGasPrice(context.Background())
if err != nil {
panic(err)
}
gas := new(big.Int).Mul(gasPrice, big.NewInt(int64(gasLimit)))
if gas.Cmp(balance) >= 0 {
fmt.Println("Skipping account: not enough of DXN", crypto.PubkeyToAddress(prvKey.PublicKey))
continue
}
ctx := &client.TransferContext{
Key: prvKey,
ToAddress: addr,
Amount: new(big.Int).Sub(balance, gas),
Nonce: math.MaxUint64,
}
if !config.Batch {
cl.Transfer(ctx)
} else {
ctxs = append(ctxs, ctx)
}
}
if config.Batch {
cl.BatchTransfer(ctxs)
}
}
|
