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
|
package api
import (
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/rpc/codec"
"github.com/ethereum/go-ethereum/rpc/shared"
)
const (
MinerApiVersion = "1.0"
)
var (
// mapping between methods and handlers
MinerMapping = map[string]minerhandler{
"miner_hashrate": (*minerApi).Hashrate,
"miner_makeDAG": (*minerApi).MakeDAG,
"miner_setExtra": (*minerApi).SetExtra,
"miner_setGasPrice": (*minerApi).SetGasPrice,
"admin_setEtherbase": (*minerApi).SetEtherbase,
"miner_startAutoDAG": (*minerApi).StartAutoDAG,
"miner_start": (*minerApi).StartMiner,
"miner_stopAutoDAG": (*minerApi).StopAutoDAG,
"miner_stop": (*minerApi).StopMiner,
}
)
// miner callback handler
type minerhandler func(*minerApi, *shared.Request) (interface{}, error)
// miner api provider
type minerApi struct {
ethereum *eth.Ethereum
methods map[string]minerhandler
codec codec.ApiCoder
}
// create a new miner api instance
func NewMinerApi(ethereum *eth.Ethereum, coder codec.Codec) *minerApi {
return &minerApi{
ethereum: ethereum,
methods: MinerMapping,
codec: coder.New(nil),
}
}
// Execute given request
func (self *minerApi) Execute(req *shared.Request) (interface{}, error) {
if callback, ok := self.methods[req.Method]; ok {
return callback(self, req)
}
return nil, &shared.NotImplementedError{req.Method}
}
// collection with supported methods
func (self *minerApi) Methods() []string {
methods := make([]string, len(self.methods))
i := 0
for k := range self.methods {
methods[i] = k
i++
}
return methods
}
func (self *minerApi) Name() string {
return shared.MinerApiName
}
func (self *minerApi) ApiVersion() string {
return MinerApiVersion
}
func (self *minerApi) StartMiner(req *shared.Request) (interface{}, error) {
args := new(StartMinerArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
if args.Threads == -1 { // (not specified by user, use default)
args.Threads = self.ethereum.MinerThreads
}
self.ethereum.StartAutoDAG()
err := self.ethereum.StartMining(args.Threads)
if err == nil {
return true, nil
}
return false, err
}
func (self *minerApi) StopMiner(req *shared.Request) (interface{}, error) {
self.ethereum.StopMining()
return true, nil
}
func (self *minerApi) Hashrate(req *shared.Request) (interface{}, error) {
return self.ethereum.Miner().HashRate(), nil
}
func (self *minerApi) SetExtra(req *shared.Request) (interface{}, error) {
args := new(SetExtraArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
self.ethereum.Miner().SetExtra([]byte(args.Data))
return true, nil
}
func (self *minerApi) SetGasPrice(req *shared.Request) (interface{}, error) {
args := new(GasPriceArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return false, err
}
self.ethereum.Miner().SetGasPrice(common.String2Big(args.Price))
return true, nil
}
func (self *minerApi) SetEtherbase(req *shared.Request) (interface{}, error) {
args := new(SetEtherbaseArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return false, err
}
self.ethereum.SetEtherbase(args.Etherbase)
return nil, nil
}
func (self *minerApi) StartAutoDAG(req *shared.Request) (interface{}, error) {
self.ethereum.StartAutoDAG()
return true, nil
}
func (self *minerApi) StopAutoDAG(req *shared.Request) (interface{}, error) {
self.ethereum.StopAutoDAG()
return true, nil
}
func (self *minerApi) MakeDAG(req *shared.Request) (interface{}, error) {
args := new(MakeDAGArgs)
if err := self.codec.Decode(req.Params, &args); err != nil {
return nil, err
}
if args.BlockNumber < 0 {
return false, shared.NewValidationError("BlockNumber", "BlockNumber must be positive")
}
err := ethash.MakeDAG(uint64(args.BlockNumber), "")
if err == nil {
return true, nil
}
return false, err
}
|
