-
Notifications
You must be signed in to change notification settings - Fork 13
/
topic_transaction_relay.go
56 lines (47 loc) · 1.86 KB
/
topic_transaction_relay.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
// Copyright 2019 the orbs-network-go authors
// This file is part of the orbs-network-go library in the Orbs project.
//
// This source code is licensed under the MIT license found in the LICENSE file in the root directory of this source tree.
// The above notice should be included in all copies or substantial portions of the software.
package codec
import (
"github.com/orbs-network/orbs-spec/types/go/protocol"
"github.com/orbs-network/orbs-spec/types/go/protocol/gossipmessages"
"github.com/pkg/errors"
)
func EncodeForwardedTransactions(header *gossipmessages.Header, message *gossipmessages.ForwardedTransactionsMessage) ([][]byte, error) {
if message.Sender == nil {
return nil, errors.New("missing Sender")
}
if len(message.SignedTransactions) == 0 {
return nil, errors.New("missing SignedTransactions")
}
payloads := make([][]byte, 0, 2+len(message.SignedTransactions))
payloads = append(payloads, header.Raw())
payloads = append(payloads, message.Sender.Raw())
for _, tx := range message.SignedTransactions {
payloads = append(payloads, tx.Raw())
}
return payloads, nil
}
func DecodeForwardedTransactions(payloads [][]byte) (*gossipmessages.ForwardedTransactionsMessage, error) {
if len(payloads) < 2 {
return nil, errors.New("wrong num of payloads")
}
txs := make([]*protocol.SignedTransaction, 0, len(payloads)-1)
senderSignature := gossipmessages.SenderSignatureReader(payloads[0])
if !senderSignature.IsValid() {
return nil, errors.New("SenderSignature is corrupted and cannot be decoded")
}
for _, payload := range payloads[1:] {
tx := protocol.SignedTransactionReader(payload)
if !tx.IsValid() {
return nil, errors.New("SignedTransaction is corrupted and cannot be decoded")
}
txs = append(txs, tx)
}
return &gossipmessages.ForwardedTransactionsMessage{
Sender: senderSignature,
SignedTransactions: txs,
}, nil
}