This repository has been archived by the owner on Mar 6, 2024. It is now read-only.
forked from s7techlab/hlf-sdk-go
-
Notifications
You must be signed in to change notification settings - Fork 2
/
envelope.go
94 lines (77 loc) · 2.74 KB
/
envelope.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
package proto
import (
"fmt"
"github.com/golang/protobuf/proto"
"github.com/hyperledger/fabric-protos-go/common"
"github.com/hyperledger/fabric-protos-go/peer"
"github.com/hyperledger/fabric/protoutil"
"github.com/atomyze-ru/hlf-sdk-go/util/txflags"
)
type (
Envelope struct {
Signature []byte `json:"signature"`
ChannelHeader *common.ChannelHeader `json:"channel_header"`
ValidationCode peer.TxValidationCode `json:"validation_code"`
Transaction *Transaction `json:"transaction,omitempty"`
ChannelConfig *ChannelConfig `json:"channel_config,omitempty"`
}
Envelopes []*Envelope
)
func ParseEnvelopes(blockData [][]byte, txFilter txflags.ValidationFlags) ([]*Envelope, error) {
var envelopes []*Envelope
for i, envelope := range blockData {
parsedEnvelope, err := ParseEnvelope(envelope, txFilter.Flag(i))
if err != nil {
return nil, fmt.Errorf("parse envelope: %w", err)
}
envelopes = append(envelopes, parsedEnvelope)
}
return envelopes, nil
}
func ParseEnvelope(envelopeData []byte, validationCode peer.TxValidationCode) (*Envelope, error) {
envelope, err := protoutil.GetEnvelopeFromBlock(envelopeData)
if err != nil {
return nil, fmt.Errorf(`envelope from block data: %w`, err)
}
payload, err := protoutil.UnmarshalPayload(envelope.Payload)
if err != nil {
return nil, fmt.Errorf(`payload from envelope: %w`, err)
}
channelHeader, err := protoutil.UnmarshalChannelHeader(payload.Header.ChannelHeader)
if err != nil {
return nil, fmt.Errorf(`channel header from envelope payload: %w`, err)
}
if channelHeader.TxId == "" {
sigHeader, err := protoutil.UnmarshalSignatureHeader(payload.Header.SignatureHeader)
if err != nil {
return nil, fmt.Errorf("signature header: %w", err)
}
protoutil.SetTxID(channelHeader, sigHeader)
}
parsedEnvelope := &Envelope{
Signature: envelope.Signature,
ChannelHeader: channelHeader,
ValidationCode: validationCode,
}
switch common.HeaderType(channelHeader.Type) {
case common.HeaderType_ENDORSER_TRANSACTION:
parsedEnvelope.Transaction, err = ParseTransaction(payload, common.HeaderType(channelHeader.Type))
if err != nil {
return nil, fmt.Errorf(`endorser transaction from envelope: %w`, err)
}
case common.HeaderType_CONFIG:
ce := &common.ConfigEnvelope{}
if err := proto.Unmarshal(payload.Data, ce); err != nil {
return nil, err
}
parsedEnvelope.ChannelConfig, err = ParseChannelConfig(*ce.Config)
if err != nil {
return nil, fmt.Errorf(`parse channel config: %w`, err)
}
parsedEnvelope.Transaction, err = ParseTransaction(payload, common.HeaderType(channelHeader.Type))
if err != nil {
return nil, fmt.Errorf(`endorser transaction from envelope: %w`, err)
}
}
return parsedEnvelope, nil
}