-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
rpc.go
136 lines (115 loc) · 2.55 KB
/
rpc.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
package main
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"strings"
"text/scanner"
"github.com/chzyer/readline"
"github.com/urfave/cli/v2"
"golang.org/x/xerrors"
lcli "github.com/filecoin-project/lotus/cli"
"github.com/filecoin-project/lotus/node/repo"
)
var rpcCmd = &cli.Command{
Name: "rpc",
Usage: "Interactive JsonPRC shell",
// TODO: flag for miner/worker
Action: func(cctx *cli.Context) error {
addr, headers, err := lcli.GetRawAPI(cctx, repo.FullNode)
if err != nil {
return err
}
u, err := url.Parse(addr)
if err != nil {
return xerrors.Errorf("parsing api URL: %w", err)
}
switch u.Scheme {
case "ws":
u.Scheme = "http"
case "wss":
u.Scheme = "https"
}
addr = u.String()
ctx := lcli.ReqContext(cctx)
ctx, cancel := context.WithCancel(ctx)
defer cancel()
afmt := lcli.NewAppFmt(cctx.App)
cs := readline.NewCancelableStdin(afmt.Stdin)
go func() {
<-ctx.Done()
cs.Close() // nolint:errcheck
}()
cctx.App.Metadata["repoType"] = repo.FullNode
if err := lcli.VersionCmd.Action(cctx); err != nil {
return err
}
fmt.Println("Usage: > Method [Param1, Param2, ...]")
rl, err := readline.NewEx(&readline.Config{
Stdin: cs,
HistoryFile: "/tmp/lotusrpc.tmp",
Prompt: "> ",
EOFPrompt: "exit",
HistorySearchFold: true,
// TODO: Some basic auto completion
})
if err != nil {
return err
}
for {
line, err := rl.Readline()
if err == readline.ErrInterrupt {
if len(line) == 0 {
break
} else {
continue
}
} else if err == io.EOF {
break
}
var s scanner.Scanner
s.Init(strings.NewReader(line))
s.Scan()
method := s.TokenText()
s.Scan()
params := line[s.Position.Offset:]
jreq, err := json.Marshal(struct {
Jsonrpc string `json:"jsonrpc"`
ID int `json:"id"`
Method string `json:"method"`
Params json.RawMessage `json:"params"`
}{
Jsonrpc: "2.0",
Method: "Filecoin." + method,
Params: json.RawMessage(params),
ID: 0,
})
if err != nil {
return err
}
req, err := http.NewRequest("POST", addr, bytes.NewReader(jreq))
if err != nil {
return err
}
req.Header = headers
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
rb, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
fmt.Println(string(rb))
if err := resp.Body.Close(); err != nil {
return err
}
}
return nil
},
}