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
|
package etherpc
import (
"encoding/json"
"errors"
"math/big"
)
type MainPackage struct{}
type JsonArgs interface {
requirements() error
}
type BlockResponse struct {
Name string
Id int
}
type GetBlockArgs struct {
BlockNumber int
Hash string
}
type ErrorResponse struct {
Error bool `json:"error"`
ErrorText string `json:"errorText"`
}
type JsonResponse interface {
}
type SuccessRes struct {
Error bool `json:"error"`
Result JsonResponse `json:"result"`
}
func NewSuccessRes(object JsonResponse) string {
e := SuccessRes{Error: false, Result: object}
res, err := json.Marshal(e)
if err != nil {
// This should never happen
panic("Creating json error response failed, help")
}
success := string(res)
return success
}
func NewErrorResponse(msg string) error {
e := ErrorResponse{Error: true, ErrorText: msg}
res, err := json.Marshal(e)
if err != nil {
// This should never happen
panic("Creating json error response failed, help")
}
newErr := errors.New(string(res))
return newErr
}
func (b *GetBlockArgs) requirements() error {
if b.BlockNumber == 0 && b.Hash == "" {
return NewErrorResponse("GetBlock requires either a block 'number' or a block 'hash' as argument")
}
return nil
}
func (p *MainPackage) GetBlock(args *GetBlockArgs, reply *BlockResponse) error {
err := args.requirements()
if err != nil {
return err
}
// Do something
return nil
}
type NewTxArgs struct {
Sec string
Recipient string
Value *big.Int
Gas *big.Int
GasPrice *big.Int
Init string
Body string
}
type TxResponse struct {
Hash string
}
func (a *NewTxArgs) requirements() error {
if a.Recipient == "" {
return NewErrorResponse("Transact requires a 'recipient' address as argument")
}
if a.Value == nil {
return NewErrorResponse("Transact requires a 'value' as argument")
}
if a.Gas == nil {
return NewErrorResponse("Transact requires a 'gas' value as argument")
}
if a.GasPrice == nil {
return NewErrorResponse("Transact requires a 'gasprice' value as argument")
}
return nil
}
func (a *NewTxArgs) requirementsContract() error {
if a.Value == nil {
return NewErrorResponse("Create requires a 'value' as argument")
}
if a.Gas == nil {
return NewErrorResponse("Create requires a 'gas' value as argument")
}
if a.GasPrice == nil {
return NewErrorResponse("Create requires a 'gasprice' value as argument")
}
if a.Init == "" {
return NewErrorResponse("Create requires a 'init' value as argument")
}
if a.Body == "" {
return NewErrorResponse("Create requires a 'body' value as argument")
}
return nil
}
func (p *MainPackage) Transact(args *NewTxArgs, reply *TxResponse) error {
err := args.requirements()
if err != nil {
return err
}
return nil
}
func (p *MainPackage) Create(args *NewTxArgs, reply *string) error {
err := args.requirementsContract()
if err != nil {
return err
}
return nil
}
func (p *MainPackage) getKey(args interface{}, reply *string) error {
return nil
}
type GetStorageArgs struct {
Address string
Key string
}
func (a *GetStorageArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetStorageAt requires an 'address' value as argument")
}
if a.Key == "" {
return NewErrorResponse("GetStorageAt requires an 'key' value as argument")
}
return nil
}
func (p *MainPackage) getStorageAt(args *GetStorageArgs, reply *string) error {
err := args.requirements()
if err != nil {
return err
}
return nil
}
type GetBalanceArgs struct {
Address string
}
func (a *GetBalanceArgs) requirements() error {
if a.Address == "" {
return NewErrorResponse("GetBalanceAt requires an 'address' value as argument")
}
return nil
}
func (p *MainPackage) GetBalanceAt(args *GetBalanceArgs, reply *string) error {
err := args.requirements()
if err != nil {
return err
}
return nil
}
type TestRes struct {
JsonResponse `json:"-"`
Answer int `json:"answer"`
}
func (p *MainPackage) Test(args *GetBlockArgs, reply *string) error {
*reply = NewSuccessRes(TestRes{Answer: 15})
return nil
}
|
