-
Notifications
You must be signed in to change notification settings - Fork 0
/
proposalutils.go
330 lines (275 loc) · 13.8 KB
/
proposalutils.go
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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
package protoutil
import (
"github.com/11090815/mayy/common/errors"
"github.com/11090815/mayy/protobuf/pcommon"
"github.com/11090815/mayy/protobuf/ppeer"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/timestamppb"
)
func CreateProposalFromChaincodeInvocationSpec(headerType pcommon.HeaderType, channelID string,
chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec, creator []byte) (*ppeer.Proposal, string, error) {
return CreateChaincodeProposal(headerType, channelID, chaincodeInvocationSpec, creator)
}
func CreateProposalFromChaincodeInvocationSpecAndTxid(txid, channelID string, headerType pcommon.HeaderType,
chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec, creator []byte) (*ppeer.Proposal, string, error) {
return CreateChaincodeProposalWithTxIDAndTransient(headerType, channelID, txid, chaincodeInvocationSpec, creator, nil)
}
func CreateChaincodeProposal(headerType pcommon.HeaderType, channelID string,
chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec, creator []byte) (*ppeer.Proposal, string, error) {
return CreateChaincodeProposalWithTransient(headerType, channelID, chaincodeInvocationSpec, creator, nil)
}
func CreateChaincodeProposalWithTransient(headerType pcommon.HeaderType, channelID string, chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec,
creator []byte, transientMap map[string][]byte) (*ppeer.Proposal, string, error) {
nonce, err := CreateNonce()
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
txid := ComputeTxID(nonce, creator)
return CreateChaincodeProposalWithTxIDNonceAndTransient(txid, headerType, channelID, chaincodeInvocationSpec, nonce, creator, transientMap)
}
func CreateChaincodeProposalWithTxIDAndTransient(headerType pcommon.HeaderType, channelID, txid string,
chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec, creator []byte, transientMap map[string][]byte) (*ppeer.Proposal, string, error) {
nonce, err := CreateNonce()
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
if txid == "" {
txid = ComputeTxID(nonce, creator)
}
return CreateChaincodeProposalWithTxIDNonceAndTransient(txid, headerType, channelID, chaincodeInvocationSpec, nonce, creator, transientMap)
}
func CreateChaincodeProposalWithTxIDNonceAndTransient(txid string, headerType pcommon.HeaderType, channelID string,
chaincodeInvocationSpec *ppeer.ChaincodeInvocationSpec, nonce, creator []byte, transientMap map[string][]byte) (*ppeer.Proposal, string, error) {
chaincodeHeaderExtension := &ppeer.ChaincodeHeaderExtension{
ChaincodeId: chaincodeInvocationSpec.ChaincodeSpec.ChaincodeId,
}
encodedChaincodeHeaderExtension, err := Marshal(chaincodeHeaderExtension)
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
encodedChaincodeInvocationSpec, err := Marshal(chaincodeInvocationSpec)
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
chaincodeProposalPayload := &ppeer.ChaincodeProposalPayload{
Input: encodedChaincodeInvocationSpec,
TransientMap: transientMap,
}
encodedChaincodeProposalPayload, err := Marshal(chaincodeProposalPayload)
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
header := &pcommon.Header{
ChannelHeader: MarshalOrPanic(&pcommon.ChannelHeader{
Type: int32(headerType),
TxId: txid,
Timestamp: timestamppb.Now(),
ChannelId: channelID,
Extension: encodedChaincodeHeaderExtension,
Epoch: 0, // 目前 epoch 的默认值是 0
}),
SignatureHeader: MarshalOrPanic(
&pcommon.SignatureHeader{
Nonce: nonce,
Creator: creator,
},
),
}
encodedHeader, err := Marshal(header)
if err != nil {
return nil, "", errors.NewErrorf("failed creating chaincode proposal, the error is \"%s\"", err.Error())
}
proposal := &ppeer.Proposal{
Header: encodedHeader,
Payload: encodedChaincodeProposalPayload,
}
return proposal, txid, nil
}
func CreateGetChaincodesProposal(channelID string, creator []byte) (*ppeer.Proposal, string, error) {
chaincodeInput := &ppeer.ChaincodeInput{Args: [][]byte{[]byte("getchaincodes")}}
chaincodeInvocationSpec := &ppeer.ChaincodeInvocationSpec{
ChaincodeSpec: &ppeer.ChaincodeSpec{
Type: ppeer.ChaincodeSpec_GOLANG,
ChaincodeId: &ppeer.ChaincodeID{Name: "lscc"},
Input: chaincodeInput,
},
}
return CreateProposalFromChaincodeInvocationSpec(pcommon.HeaderType_ENDORSER_TRANSACTION, channelID, chaincodeInvocationSpec, creator)
}
func CreateGetInstalledChaincodesProposal(creator []byte) (*ppeer.Proposal, string, error) {
chaincodeInput := &ppeer.ChaincodeInput{
Args: [][]byte{[]byte("getinstalledchaincodes")},
}
chaincodeInvocationSpec := &ppeer.ChaincodeInvocationSpec{
ChaincodeSpec: &ppeer.ChaincodeSpec{
Type: ppeer.ChaincodeSpec_GOLANG,
ChaincodeId: &ppeer.ChaincodeID{Name: "lscc"},
Input: chaincodeInput,
},
}
return CreateProposalFromChaincodeInvocationSpec(pcommon.HeaderType_ENDORSER_TRANSACTION, "", chaincodeInvocationSpec, creator)
}
func CreateInstallProposalFromChaincodeDeploymentSpec(chaincodePackage proto.Message, creator []byte) (*ppeer.Proposal, string, error) {
return createProposalFromChaincodeDeploymentSpec("", "install", chaincodePackage, creator)
}
func CreateDeployProposalFromChaincodeDeploymentSpec(channelID string, chaincodeDeploymentSpec *ppeer.ChaincodeDeploymentSpec,
creator, policy, escc, vscc, collectionConfig []byte) (*ppeer.Proposal, string, error) {
if collectionConfig == nil {
return createProposalFromChaincodeDeploymentSpec(channelID, "deploy", chaincodeDeploymentSpec, creator, policy, escc, vscc)
}
return createProposalFromChaincodeDeploymentSpec(channelID, "deploy", chaincodeDeploymentSpec, creator, policy, escc, vscc, collectionConfig)
}
func CreateUpgradeProposalFromChaincodeDeploymentSpec(channelID string, chaincodeDeploymentSpec *ppeer.ChaincodeDeploymentSpec,
creator, policy, escc, vscc, collectionConfig []byte) (*ppeer.Proposal, string, error) {
if collectionConfig == nil {
return createProposalFromChaincodeDeploymentSpec(channelID, "upgrade", chaincodeDeploymentSpec, creator, policy, escc, vscc)
}
return createProposalFromChaincodeDeploymentSpec(channelID, "upgrade", chaincodeDeploymentSpec, creator, policy, escc, vscc, collectionConfig)
}
func createProposalFromChaincodeDeploymentSpec(channelID, propType string, msg proto.Message, creator []byte, args ...[]byte) (*ppeer.Proposal, string, error) {
var chaincodeInput *ppeer.ChaincodeInput
var encoded []byte
var err error
if msg != nil {
encoded, err = Marshal(msg)
if err != nil {
return nil, "", err
}
}
switch propType {
case "deploy":
fallthrough
case "upgrade": // "upgrade" + "channelID" + deployment spec + args
chaincodeDeploymentSpec, ok := msg.(*ppeer.ChaincodeDeploymentSpec)
if !ok || chaincodeDeploymentSpec == nil {
return nil, "", errors.NewErrorf("failed creating lifecycle chaincode proposal, expected \"%T\", but got \"%T\"", &ppeer.ChaincodeDeploymentSpec{}, msg)
}
args_ := [][]byte{[]byte(propType), []byte(channelID), encoded}
args_ = append(args_, args...)
chaincodeInput = &ppeer.ChaincodeInput{Args: args_}
case "install": // "install" + deployment spec
chaincodeInput = &ppeer.ChaincodeInput{Args: [][]byte{[]byte(propType), encoded}}
}
chaincodeInvocationSpec := &ppeer.ChaincodeInvocationSpec{
ChaincodeSpec: &ppeer.ChaincodeSpec{
Type: ppeer.ChaincodeSpec_GOLANG,
ChaincodeId: &ppeer.ChaincodeID{Name: "lscc"},
Input: chaincodeInput,
},
}
return CreateProposalFromChaincodeInvocationSpec(pcommon.HeaderType_ENDORSER_TRANSACTION, channelID, chaincodeInvocationSpec, creator)
}
/* ------------------------------------------------------------------------------------------ */
func GetActionFromEnvelope(encodedEnvelope []byte) (*ppeer.ChaincodeAction, error) {
envelope, err := UnmarshalEnvelope(encodedEnvelope)
if err != nil {
return nil, err
}
return GetActionFromEnvelopeMsg(envelope)
}
func GetActionFromEnvelopeMsg(envelope *pcommon.Envelope) (*ppeer.ChaincodeAction, error) {
payload, err := UnmarshalPayload(envelope.Payload)
if err != nil {
return nil, err
}
transaction, err := UnmarshalTransaction(payload.Data)
if err != nil {
return nil, err
}
if len(transaction.Actions) == 0 {
return nil, errors.NewError("at least 1 TransactionAction required")
}
_, responsePayload, err := GetPayloads(transaction.Actions[0])
return responsePayload, err
}
/* ------------------------------------------------------------------------------------------ */
// GetBytesProposalResponsePayload 给定链码执行结果 result、 事件 event、响应 response 和 链码 id,组装出一个
// ChaincodeAction 结构体消息,并对它进行序列化,得到字节数组,然后随给定的哈希值 hash,组装出一个 ProposalResponsePayload
// 结构体消息,最后返回对此结构体消息进行序列化后的 protobuf 字节数组。
func GetBytesProposalResponsePayload(hash, result, event []byte, response *ppeer.Response, chaincodeId *ppeer.ChaincodeID) ([]byte, error) {
chaincodeAction := &ppeer.ChaincodeAction{
Events: event,
Results: result,
Response: response,
ChaincodeId: chaincodeId,
}
encodedChaincodeAction, err := Marshal(chaincodeAction)
if err != nil {
return nil, errors.NewErrorf("failed getting bytes of proposal response payload, the error is \"%s\"", err.Error())
}
proposalResponsePayload := &ppeer.ProposalResponsePayload{
ProposalHash: hash, // proposal 的哈希值放在这里应该是用来确认此响应与提案是否对应。
Extension: encodedChaincodeAction,
}
return Marshal(proposalResponsePayload)
}
// GetBytesChaincodeProposalPayload 计算给定的 ChaincodeProposalPayload 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesChaincodeProposalPayload(chaincodeProposalPayload *ppeer.ChaincodeProposalPayload) ([]byte, error) {
return Marshal(chaincodeProposalPayload)
}
// GetBytesResponse 计算给定的 Response 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesResponse(response *ppeer.Response) ([]byte, error) {
return Marshal(response)
}
// GetBytesChaincodeEvent 计算给定的 ChaincodeEvent 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesChaincodeEvent(chaincodeEvent *ppeer.ChaincodeEvent) ([]byte, error) {
return Marshal(chaincodeEvent)
}
// GetBytesChaincodeActionPayload 计算给定的 ChaincodeActionPayload 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesChaincodeActionPayload(chaincodeActionPayload *ppeer.ChaincodeActionPayload) ([]byte, error) {
return Marshal(chaincodeActionPayload)
}
// GetBytesProposalResponse 计算给定的 ProposalResponse 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesProposalResponse(proposalResponse *ppeer.ProposalResponse) ([]byte, error) {
return Marshal(proposalResponse)
}
// GetBytesEnvelope 计算给定的 Envelope 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesEnvelope(envelope *pcommon.Envelope) ([]byte, error) {
return Marshal(envelope)
}
// GetBytesPayload 计算给定的 Payload 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesPayload(payload *pcommon.Payload) ([]byte, error) {
return Marshal(payload)
}
// GetBytesTransaction 计算给定的 Transaction 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesTransaction(transaction *ppeer.Transaction) ([]byte, error) {
return Marshal(transaction)
}
// GetBytesSignatureHeader 计算给定的 SignatureHeader 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesSignatureHeader(signatureHeader *pcommon.SignatureHeader) ([]byte, error) {
return Marshal(signatureHeader)
}
// GetBytesHeader 计算给定的 Header 结构体消息经序列化后的 protobuf 字节数组。
func GetBytesHeader(header *pcommon.Header) ([]byte, error) {
return Marshal(header)
}
/* ------------------------------------------------------------------------------------------ */
func CheckTxID(txid string, nonce, creator []byte) error {
computedTxID := ComputeTxID(nonce, creator)
if txid != computedTxID {
return errors.NewErrorf("invalid txid, expected \"%s\", but got \"%s\"", computedTxID, txid)
}
return nil
}
// InvokedChaincodeName 给定一个提案的 protobuf 序列化字节数组,对其进行反序列化,提取调用的链码名。
func InvokedChaincodeName(proposalBytes []byte) (string, error) {
proposal := &ppeer.Proposal{} // 创建一个容器
if err := Unmarshal(proposalBytes, proposal); err != nil {
return "", errors.NewErrorf("failed retriving chaincode name from proposal, the error is \"%s\"", err.Error())
}
chaincodeProposalPayload := &ppeer.ChaincodeProposalPayload{}
if err := Unmarshal(proposal.Payload, chaincodeProposalPayload); err != nil {
return "", errors.NewErrorf("failed retriving chaincode name from chaincode proposal payload, the error is \"%s\"", err.Error())
}
chaincodeInvocationSpec := &ppeer.ChaincodeInvocationSpec{}
if err := Unmarshal(chaincodeProposalPayload.Input, chaincodeInvocationSpec); err != nil {
return "", errors.NewErrorf("failed retriving chaincode name from chaincode invocation spec, the error is \"%s\"", err.Error())
}
if chaincodeInvocationSpec.ChaincodeSpec == nil {
return "", errors.NewError("failed retriving chaincode name, because the chaincode invocation spec is nil")
}
if chaincodeInvocationSpec.ChaincodeSpec.ChaincodeId == nil {
return "", errors.NewError("failed retriving chaincode name, because the chaincode id is nil")
}
return chaincodeInvocationSpec.ChaincodeSpec.ChaincodeId.Name, nil
}