/
socket_app_proxy_client.go
108 lines (82 loc) · 2.18 KB
/
socket_app_proxy_client.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
package app
import (
"net"
"net/rpc"
"net/rpc/jsonrpc"
"time"
"github.com/abassian/huron/src/hashgraph"
"github.com/abassian/huron/src/proxy"
"github.com/sirupsen/logrus"
)
// SocketAppProxyClient ...
type SocketAppProxyClient struct {
clientAddr string
timeout time.Duration
logger *logrus.Logger
rpc *rpc.Client
}
// NewSocketAppProxyClient ...
func NewSocketAppProxyClient(clientAddr string, timeout time.Duration, logger *logrus.Logger) *SocketAppProxyClient {
return &SocketAppProxyClient{
clientAddr: clientAddr,
timeout: timeout,
logger: logger,
}
}
func (p *SocketAppProxyClient) getConnection() error {
if p.rpc == nil {
conn, err := net.DialTimeout("tcp", p.clientAddr, p.timeout)
if err != nil {
return err
}
p.rpc = jsonrpc.NewClient(conn)
}
return nil
}
// CommitBlock ...
func (p *SocketAppProxyClient) CommitBlock(block hashgraph.Block) (proxy.CommitResponse, error) {
if err := p.getConnection(); err != nil {
return proxy.CommitResponse{}, err
}
var commitResponse proxy.CommitResponse
if err := p.rpc.Call("State.CommitBlock", block, &commitResponse); err != nil {
p.rpc = nil
return commitResponse, err
}
p.logger.WithFields(logrus.Fields{
"block": block.Index(),
"commit_response": commitResponse,
}).Debug("AppProxyClient.CommitBlock")
return commitResponse, nil
}
// GetSnapshot ...
func (p *SocketAppProxyClient) GetSnapshot(blockIndex int) ([]byte, error) {
if err := p.getConnection(); err != nil {
return []byte{}, err
}
var snapshot []byte
if err := p.rpc.Call("State.GetSnapshot", blockIndex, &snapshot); err != nil {
p.rpc = nil
return []byte{}, err
}
p.logger.WithFields(logrus.Fields{
"block": blockIndex,
"snapshot": snapshot,
}).Debug("AppProxyClient.GetSnapshot")
return snapshot, nil
}
// Restore ...
func (p *SocketAppProxyClient) Restore(snapshot []byte) error {
if err := p.getConnection(); err != nil {
return err
}
var stateHash []byte
if err := p.rpc.Call("State.Restore", snapshot, &stateHash); err != nil {
p.rpc = nil
return err
}
p.logger.WithFields(logrus.Fields{
"state_hash": stateHash,
}).Debug("AppProxyClient.Restore")
return nil
}