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
|
package javascript
import (
"fmt"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/ui"
"github.com/ethereum/go-ethereum/xeth"
"github.com/obscuren/otto"
)
type JSStateObject struct {
*xeth.JSObject
eth *JSEthereum
}
func (self *JSStateObject) EachStorage(call otto.FunctionCall) otto.Value {
cb := call.Argument(0)
it := self.JSObject.Trie().Iterator()
for it.Next() {
cb.Call(self.eth.toVal(self), self.eth.toVal(ethutil.Bytes2Hex(it.Key)), self.eth.toVal(ethutil.Bytes2Hex(it.Value)))
}
return otto.UndefinedValue()
}
// The JSEthereum object attempts to wrap the PEthereum object and returns
// meaningful javascript objects
type JSBlock struct {
*xeth.JSBlock
eth *JSEthereum
}
func (self *JSBlock) GetTransaction(hash string) otto.Value {
return self.eth.toVal(self.JSBlock.GetTransaction(hash))
}
type JSMessage struct {
To string `json:"to"`
From string `json:"from"`
Input string `json:"input"`
Output string `json:"output"`
Path int `json:"path"`
Origin string `json:"origin"`
Timestamp int32 `json:"timestamp"`
Coinbase string `json:"coinbase"`
Block string `json:"block"`
Number int32 `json:"number"`
}
func NewJSMessage(message *state.Message) JSMessage {
return JSMessage{
To: ethutil.Bytes2Hex(message.To),
From: ethutil.Bytes2Hex(message.From),
Input: ethutil.Bytes2Hex(message.Input),
Output: ethutil.Bytes2Hex(message.Output),
Path: message.Path,
Origin: ethutil.Bytes2Hex(message.Origin),
Timestamp: int32(message.Timestamp),
Coinbase: ethutil.Bytes2Hex(message.Origin),
Block: ethutil.Bytes2Hex(message.Block),
Number: int32(message.Number.Int64()),
}
}
type JSEthereum struct {
*xeth.JSXEth
vm *otto.Otto
ethereum *eth.Ethereum
}
func (self *JSEthereum) GetBlock(hash string) otto.Value {
return self.toVal(&JSBlock{self.JSXEth.BlockByHash(hash), self})
}
func (self *JSEthereum) GetPeers() otto.Value {
return self.toVal(self.JSXEth.Peers())
}
func (self *JSEthereum) GetKey() otto.Value {
return self.toVal(self.JSXEth.Key())
}
func (self *JSEthereum) GetStateObject(addr string) otto.Value {
return self.toVal(&JSStateObject{xeth.NewJSObject(self.JSXEth.World().SafeGet(ethutil.Hex2Bytes(addr))), self})
}
func (self *JSEthereum) Peers() otto.Value {
return self.toVal(self.JSXEth.Peers())
}
func (self *JSEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
r, err := self.JSXEth.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
return self.toVal(r)
}
func (self *JSEthereum) Create(key, valueStr, gasStr, gasPriceStr, scriptStr string) otto.Value {
r, err := self.JSXEth.Transact(key, "", valueStr, gasStr, gasPriceStr, scriptStr)
if err != nil {
fmt.Println(err)
return otto.UndefinedValue()
}
return self.toVal(r)
}
func (self *JSEthereum) toVal(v interface{}) otto.Value {
result, err := self.vm.ToValue(v)
if err != nil {
fmt.Println("Value unknown:", err)
return otto.UndefinedValue()
}
return result
}
func (self *JSEthereum) Messages(object map[string]interface{}) otto.Value {
filter := ui.NewFilterFromMap(object, self.ethereum)
messages := filter.Find()
var msgs []JSMessage
for _, m := range messages {
msgs = append(msgs, NewJSMessage(m))
}
v, _ := self.vm.ToValue(msgs)
return v
}
|
